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Department of Electrical Engineering and Computer Science
Wireless Integrated MicroSystems



Publications

  Journal Publications:


1. K. Najafi, K.D. Wise, T. Mochizuki, "A High-Yield IC-Compatible Multichannel Recording Array," IEEE Trans. Electron Devices, Vol. ED-32, No. 7, pp. 1206-1211, July 1985


2. S.L. BeMent, D.J. Anderson, K.D. Wise, K. Najafi, K.L. Drake, "Solid-State Electrodes for Multiplexed Multichannel Intracortical Neuronal    Recording," IEEE Trans. Biomed. Eng., Vol. BME-33, No. 2, pp. 230-241, February 1986


3. K. Najafi, K.D. Wise, "An Implantable Multielectrode Array with On-Chip Signal Processing," IEEE J. Solid-State Ckts., Vol. SC-21, No. 6, pp. 1035-1044, December 1986


4. D.J. Anderson, K. Najafi, S.J. Tanghe, D.A. Evans, K.L. Levy, J.F. Hetke, X. Xue, J.J. Zappia, K.D. Wise, "Batch-Fabricated Thin-Film Electrodes for Stimulation of the Central Auditory System," IEEE Trans. Biomed. Eng., Vol. BME-36, No. 7, pp. 693-704, July 1989


5. K. Najafi, K. Suzuki, "Measurement of Fracture Stress, Young's Modulus, and Intrinsic Stress of Heavily Boron-Doped Silicon Microstructures," J. Thin Solid Films, 181, pp. 251-258, December 1989


6. S.J. Tanghe, K. Najafi, K.D. Wise, "A Planar IrO Multichannel Stimulating Electrode for Use in Neural Prosthesis," Sensors and Actuators, pp. 464-467, B1, 1990


7 . J. Ji, K. Najafi, K.D. Wise, "A Scaled Electronically-Configurable Multichannel Recording Array," Sensors and Actuators, pp. 589-591, A21-A23, 1990


8. K. Suzuki, K. Najafi, K.D. Wise, "Process Alternatives and Scaling Limits for High-Density Silicon Tactile Imagers," Sensors and Actuators, pp. 915-918, A21-A23, 1990


9. K. Najafi, "Integrated Sensors in Biological Environments," Invited Paper, Sensors and Actuators, pp. 453-459, B1, 1990


10. J.F. Hetke, K. Najafi, K.D. Wise, "Flexible Miniature Ribbon Cables for Long-Term Connection to Implantable Sensors," Sensors and Actuators, pp. 999-1002, A21-A23, 1990


11. K. Najafi, J. Ji, K.D. Wise, "Scaling Limitations of Silicon Multichannel Recording Probes," IEEE Trans. Biomed. Eng., Vol. BME-37, No. 1, pp. 1-11, January 1990


12. K. Najafi, J.F. Hetke, "Strength Characterization of Silicon Microprobes in Neurophysiological Tissues," IEEE Trans. on Biomedical Engineering, Vol. BME-37, No. 5, pp. 474-481, May 1990


13. K. Suzuki, K. Najafi, K.D. Wise, "A 1024-Element High-Performance Silicon Tactile Imager," IEEE Trans. Electron Devices, Vol. ED-37, No. 8, pp. 1852-1860, August 1990 (Winner of the Paul Rappaport Award for the best paper published in an Electron Device Society publication in 1990)


14. Jin Ji, K. Najafi, Kensall Wise, “A Low-Noise Demultiplexing System Active Multichannel Microelectrode Arrays,” IEEE Transactions of Biomedical Engineering, Vol. 38, #1 January 1991


15. K. Najafi, "Smart Sensors," Invited Paper, J. Micromech. & Microeng., 1, pp. 86-102, June 1991


16. K.D. Wise, K. Najafi, "Microfabrication Techniques for Integrated Sensors and Microsystems," Invited Paper, Science, Vol. 254, pp. 1335-1342, November 1991


17. S.T. Cho, K. Najafi, C.L. Lowman, K.D. Wise, "An Ultrasensitive Silicon Pressure-Based Microflow Sensor," IEEE Trans. Electron Devices, Vol. ED-39, No. 4, pp. 825-835, April 1992


18. S.T. Cho, K. Najafi, K.D. Wise, "Internal Stress Compensation and Scaling in Ultrasensitive Silicon Pressure Sensors," IEEE Trans. Electron Devices, Vol. ED-39, No. 4, pp. 836-842, April 1992


19. Y. Gianchandani, K. Najafi, "Batch-Assembled Multi-Level Micromachined Mechanisms from Bulk Silicon," Journal of Micromechanics and Microengineering, Vol. 2, No. 2, pp. 80-85, June 1992


20. J. Ji, S.T. Cho, Y. Zhang, K. Najafi, K.D. Wise, "An Ultra-miniature CMOS Pressure Sensor for a Multiplexed Cardiovascular Catheter," IEEE Trans. on Electron Devices, Vol. ED-39, No. 10, pp. 2260-2267, October 1992


21. Y. Gianchandani, K. Najafi, "A Bulk Silicon Dissolved Wafer Process for Microelectromechanical Devices," IEEE/ASME J. Micro Electro Mechanical Systems (J-MEMS), Vol. 1, No. 2, pp. 77-85, June 1992


22. R.M. Bradley, R.H. Smoke, T. Akin, K. Najafi, "Functional Regeneration of Glossopharyngeal Nerve Through Micromachined Sieve Electrode Arrays," Brain Research, 594, pp. 84-90, 1992


23. S. Bouwstra, J. van Rooijen, H.A.C. Tilmans, A. Selvakumar, and K. Najafi, "Thermal-Base Drive for Micromechanical Resonators Employing Deep-Diffusion Bases," Sensors and Actuators, A, 37-38, pp. 38-44, 1993


24. R. Aroca, H. Bolourchi, D. Battisti, and K. Najafi, "Gas Adsorption and Electrical Properties of Two Langmuir-Blodgett Layers of Cerium Bisphthalocyanine," Langmuir Journal of the American Chemical Society, 1993


25. J.F. Hetke, J.L. Lund, K. Najafi, K.D. Wise, and D.J. Anderson, "Silicon Ribbon Cables for Chronically Implantable Microelectrode Arrays," IEEE Trans. on Biomedical Engineering, Vol. 41, No. 4, pp. 314-321, April 1994


26. T. Akin, K. Najafi, Richard H. Smoke, Robert M. Bradley, "A Micromachined Silicon Sieve Electrode for Nerve Regeneration Applications," IEEE Trans. Biomedical Engineering, Vol. 41, No. 4, pp. 305-313, April 1994


27. K. Najafi, "Solid-State Microsensors for Cortical Nerve Recordings," (Invited paper) IEEE Eng. in Medicine and Biology Magazine, pp. 375-387, June/July Issue, 1994


28. W.G. Baer, K. Najafi, K.D. Wise, and R.S. Toth, "A 32-Element Micromachined Thermal Imager with On-Chip Multiplexing," Sensors and Actuators, Vol. 48, No. 1, pp. 47-54, 1995


29. Y. Gianchandani, and K. Najafi, "Bent-Beam Strain Sensors," IEEE/ASME J. Micro Electro Mechanical Systems (JMEMS), pp. 52-58, Vol. 5, No. 1, March 1996


30. B. Ziaie, J. A. V. Arx, M.R. Dokmeci, and K. Najafi, “A Hermetic Glass-Silicon Micropackage with High-Density On-Chip Feedthroughs for Sensors & Actuators,” IEEE Journal of Microelectromechanical Systems, Vol. 5, No. 3, pp. 166-179, September 1996


31. R.M. Bradley, X. Cao, T. Akin, and K. Najafi, “Long-Term Chronic Recordings From Peripheral Sensory Fibers Using a Sieve Electrode,” J. Neuroscience Methods, 73, pp. 177-186, 1997


32. B. Ziaie, M.D. Nardin, A.R. Coghlan, and K. Najafi, “A Single-Channel Implantable Microstimulator for Functional Neuromuscular Stimulation,” IEEE Trans. on Biomedical Engineering, Vol. BME-44, No. 10, October 1997


33. Y. Gianchandani, and K. Najafi, "A Silicon Micromachined Scanning Thermal Profiler with Integrated Elements for Sensing and Actuation,” IEEE Trans. Electron Devices, Vol. 44, No. 11, pp. 1857-1868, November 1997


34. C. Yeh, and K. Najafi, “A Low-Voltage Tunneling Based Silicon Microaccelerometer,” IEEE Transactions on Electron Devices, Vol. 44, No. 11, pp. 1875-1882, November 1997


35. J.S. Walter, L. Riedy, W. King, J.S. Wheeler, K. Najafi, C.L. Anderson, T.M. Gudausky, and M. Dokmeci, “Short-Term Bladder-Wall Response to Implantation of Microstimulators,” J. of Spinal Cord Medicine, Vol. 20, No. 3, pp. 319-323, 1997


36. T. Akin, K. Najafi, and R.M. Bradley, “A Wireless Implantable Multichannel Digital Neural Recording System for a Micromachined Sieve Electrode,” IEEE J. Solid-State Circuits, January 1998


37. Y. Gianchandani, M. Shinn, and K. Najafi, "Impact of High Thermal Budget Anneals on Polysilicon as a Micromechanical Material," IEEE/ASME J. Micro Electro Mechanical Systems (JMEMS), March 1998


38. C. Yeh, and K. Najafi, “CMOS Interface Circuitry For A Low-Voltage Micromachined Tunneling Accelerometer,” IEEE/ASME J. Micro Electro Mechanical Systems (JMEMS), March 1998


39. A. Selvakumar, F. Ayazi, and K. Najafi, "A High Sensitivity Z-Axis Capacitive Silicon Microaccelerometer With A Torsional Suspension,” IEEE/ASME Journal of Microelectromechanical Systems, Vol. 7, No. 2, June 1998


40. N. Yazdi, F. Ayazi, and K. Najafi, “Micromachined Inertial Sensors,” Invited Paper, Special Issue of IEEE Proceedings, vol. 86, no. 8, pp. 1640-1659, August 1998


41. A.J. Mason, N. Yazdi, A.V. Chavan, K. Najafi, and K.D. Wise, “A Generic Multi-Element Microsystem For Portable Wireless Applications,” Invited Paper, Special Issue of IEEE Proceedings, vol. 86, no. 8, pp. 1733-1746, August 1998


42. L. Lin, Y.T. Cheng, and K. Najafi, “Formation of Silicon-Gold Eutectic Bond Using Localized Heating Method,” Japanese Journal of Applied Physics, Part II, vol. 11B, pp. 1412-1414, Nov. 1998


43. T. Akin, B. Ziaie, S. A. Nikles, and K. Najafi, "A Modular Micromachined High-Density Connector for Implantable Biomedical Systems," IEEE Transactions on Biomedical Engineering, vol. 46, no. 4, pp. 471-480, April 1999


44. Y.T. Cheng, Liwei Lin and K. Najafi, "Localized Silicon Fusion and Eutectic Bonding for MEMS Fabrication and Packaging," IEEE/ASME Journal of Microelectromechanical Systems, Vol. 9, pp. 3-8, March, 2000


45. B. Ziaie, and K. Najafi, "A Generic Micromachined Silicon Platform for High-Performance RF Passive Components," J. Micromachanics & Microengineering, vol. 10, No. 3, pp. 365-371, Sept. 2000


46. Y. Gianchandani, H. Kim, M. Shinn, B. Ha, B. Lee, K. Najafi, and C.S. Song, “A Fabrication Process for Integrating polysilicon Microstructures with Post-Processed CMOS Circuits,” J. Micromachanics and Microengineering, vol. 10, No. 3, pp. 380-386, Sept. 2000


47. F. Ayazi, and K. Najafi, "High Aspect-ratio Combined Poly and Single-Crystal (HARPSS) MEMS Technology,” IEEE J. Micro Electro Mechanical Systems, vol. 9, No. 3, pp. 288-294, Sept. 2000


48. F. Ayazi, and K. Najafi, "High Aspect-Ratio Polysilicon Micromachining Technology,” Sensors and Actuators,Vol 87, No. 1-2, pp. 46-51, December 2000


49. N. Yazdi, A. Mason, K. Najafi, and K.D. Wise, "A Generic Interface Chip for Capacitive Sensors in Low-Power Multi-Parameter Microsystems," Sensors & Actuators, A: Physical, 84 (3) pp. 351-361, 2000


50. N. Yazdi, K. Najafi, "An All-Silicon Single-Wafer Micro-g Accelerometer with a Combined Surface and Bulk Micromachining Process," IEEE/ASME Journal of Microelectromechanical Systems, vol. 9, no. 4, December 2000, pp. 1-8.


51. A. Selvakumar, N. Yazdi, K. Najafi, "A Wide-Range Micromachined Threshold Accelerometer Array and Interface Circuit," Journal of Micromechanics and Microengineering, vol. 11, 2001, pp. 118-125.


52. B. Ziaie, S.C. Rose, M.D. Nardin, and K. Najafi, “A Self-Oscillating, Detuning-Insensitive Class-E Transmitter for Implantable Microsystems,” IEEE Transactions on Biomedical Engineering, Vol. 48, No. 3, pp. 397-399, March 2001


53. B. Ziaie, and K. Najafi, "An Implantable Microsystem for Tonometric Blood Pressure Measurement," Journal of Biomedical Microdevices, Biomedical Microdevices, Vol. 3, pp. 285-292, December 2001.


54. F. Ayazi, and K. Najafi, “A HARPSS polysiliocn Vibrating Ring Gyroscope,” IEEE/ASME J. Micro Electro Mechanical Systems, vol. 10, no. 2, pp. 169-179, June 2001


55. P. Mohseni, K. Nagarajan, B. Ziaie, K. Najafi, and S.B. Crary, "An Ultralight Biotelemetry Biotelemetry Backpack for Recording EMG Signals in Moths,” IEEE Transactions on Biomedical Engineering, Vol. 48, pp. 734-737, June 2001


56. M. Dokmeci and K. Najafi, "A High-Sensitivity Polyimide Capacitive Relative Humidity Sensor For Monitoring Anodically Bonded Hermetic Micropackages,” IEEE/ASME Journal of Microelectromechanical Systems, Vol.10, No.2, June 2001


57. D. L. Zealear, K. C. Garren, R. Rodriguez, J. Reyes, S. Huang, M. Dokmeci, K. Najafi, "The biocompatibility, positional stability, and potential application of an injectable wireless micromachined microstimulator for reanimation of the paralyzed larynx,” IEEE Trans. On Biomedical Engineering (TBME), Vol. 48, No.8, August 2001


58. T. Cheng, L. Lin, K. Najafi, "Fabrication and Hermeticity Testing of A Glass-Silicon Packaging Formed Using Localized Aluminum/Silicon-to-Glass Bonding," IEEE/ASME Journal of Microelectromechanical Systems, September, 2001


59. J. W. Weigold, K. Najafi, and S. W. Pang, “Design and Fabrication of Submicrometer, Single Crystal Si Accelerometer,” IEEE/ASME Journal of Microelectromechanical Systems, Vol. 10, No. 4, pp. 518-524, December 2001


60. C. Huang, K. Najafi, “Fabrication of Ultra-Thin P++ Silicon Microstructures Using Ion-Implantation and Boron Etch-Stop,” IEEE/ASME Journal Of Microelectromechanical Systems (JMEMS), Vol. 10, No. 4, pp 532-537, December 2001

61. B. Ziaie, and K. Najafi, "An Implantable Microsystem for Tonometric Blood Pressure Measurement," Journal of Biomedical Microdevices, Vol. 3, pp. 285-292, December 2001.


62. O. Akar, T. Akin, And K. Najafi, “A Wireless Batch Sealed Absolute Capacitive Pressure Sensor,” Sensors and Actuators A: Physical, 95 (1), pp. 29-38, 2001


63. T. J. Harpster, B. Stark, and K. Najafi, “A Passive Wireless Integrated Humidity Sensor,” Sensors and Actuators A: Physical, Volume 95, Issues 2-3, pp. 100-107, 1 January 2002


64. T. J. Harpster, S. Hauvespre, M. Dokmeci, and K. Najafi, “A Passive Humidity Monitoring System for In-Situ Remote Wireless Testing of Micropackages,” IEEE/ASME J. Micro Electro Mechanical Systems (JMEMS}, Vol. 11, no. 1, pp. 61-67, February 2002.


65. Y. T. Cheng, W. T. Hsu, L. Lin, C. T. Nguyen, K. Najafi, "Vacuum Packaging Using Localized Aluminum/Silicon-to-Glass Bonding", IEEE/ASME Journal of Microelectromechanical Systems (JMEMS), Vol. 11, No. 1, pp. 61-67, February 2002

66. C. Huang, C. Christophorou, K. Najafi, A. Naguib and H. Nagib, “An Electrostatic Microactuator System in High Speed Jets,” IEEE/ASME Journal Of Micro Electro Mechanical Systems (JMEMS), Vol. 11, No. 3, pp. 222-235, June 2002

67. C. Huang, A. Naguib, E. Soupos, and K. Najafi, “A Silicon Micromachined Microphone For Fluid Mechanics Research,” Journal of Micromechanics and Microengineering, Vol. 12, No. 6, pp. 767-774, November 2002

68. K. Ma, Y. Gianchandani, and K. Najafi, “The Active Dissolved Wafer Process (ADWP) for Integrating Single-Crystal Silicon MEMS with CMOS,” J. of Semiconductor Technology and Science, Vol. 2, No. 4, pp. 273-279, December 2002

69. A. Selvakumar, and K. Najafi, “Vertical Comb Array Microactuators,” IEEE/ASME Journal of Microelectromechanical Systems (JMEMS), Volume: 12 Issue: 4,  pp. 440-449, Aug. 2003


70. N. Yazdi, A. Salian, and K. Najafi, “A High-Sensitivity Silicon Accelerometer with a Folded-Electrode Structure,” IEEE/ASME Journal of Microelectromechanical Systems (JMEMS), Volume: 12 Issue: 4, pp. 479-486, Aug. 2003


71. B. H. Stark, M. R. Dokmeci, and K. Najafi, "Improving Corrosion-Resistance of Polysilicon Using Boron Doping and Self-Induced Galvanic Bias," IEEE Transactions on Advanced Packaging, vol. 26, No. 3, pp. 295-301, 2003.


72. Y. Shimatani, S. A. Nikles, K.Najafi, and R. M. Bradley, "Long-term recordings from afferent taste fibers" J. Physiology & Behavior, Vol. 80, Issues 2-3, pp. 309-315, November 2003


73. K.D. Wise, D.J. Anderson, J.F. Hetke, K, D.R. Kipke, K. Najafi, “Wireless implantable microsystems: high-density electronic interfaces to the nervous system,” Proceedings of the IEEE, Volume: 92, Issue: 1, pp. 76-97, Jan. 2004


74. C. Zhang, and K. Najafi, “Fabrication of Thick Silicon Dioxide Layers For Thermal Isolation,” Journal of Micromechanics and Microengineering, volume 14, issue 6, pages 769 – 774, 2004


75. P. Mohseni and K. Najafi, "A Fully Integrated Neural Recording Amplifier With DC Input Stabilization," IEEE Transactions on Biomedical Engineering, Vol. 51, No. 5, pp. 832-837, May 2004


76. B. H. Stark and K. Najafi, "A Low Temperature Thin Film Electroplated Metal Vacuum Package," IEEE/ASME J. Micro Electro Mechanical Systems (JMEMS), Vol. 13, No. 2, pp. 147-157, April 2004


77. T. Lisby, S.A. Nikles, K. Najafi, O. Hansen, S. Bouwstra, J.A. Branebjerg, “Mechanical Characterization and Design of Flexible Silicon Microstructures,” IEEE/ASME J. of Microelectromechanical Systems (JMEMS), Volume: 13, Issue: 3, pp. 452-464, June 2004


78. X. Zhu, D.S. Aslam, Y. Tang, B.H. Stark, K. Najafi, “The Fabrication of All-Diamond Packaging Panels With Built-In Interconnects for Wireless Integrated Microsystems,” IEEE/ASME J. of Microelectromechanical Systems (JMEMS), Volume: 13, Issue: 3, pp. 396-405, June 2004

79. S. Nikles, R.M. Bradley, S. Bledsoe, and K. Najafi, “Design and Testing of Conductive Polysilicon Beam Leads for Use in a High-Density Biomedical Connector,” J. Micromechanics and Microengineering, 14, No. 7, pp. 957-968, July 2004


80. J. Chae, H. Kulah, and K. Najafi, “An In-Plane High-Sensitivity, Low-Noise Micro-g Silicon Accelerometer with CMOS Readout Circuitry,” IEEE/ASME Journal of Microelectromechanical Systems (JMEMS), vol. 13, no. 4, p 628-635, August, 2004


81. Y. Mei, J.S. Mitchell, G. Roientan Lahiji, and K. Najafi, “Wafer Bonding Technology For Vacuum Packaging Using Gold-Silicon Eutectic,” Journal of Iranian Association for Electrical and Electronics Engineers (IAEEE), Vol.1, No.2, pp. 27-32, Fall 2004


82. M. Ghovanloo, K. Najafi, “Fully Integrated Wideband High-current rectifiers for Inductively Powered Devices,” IEEE J. Solid-State Circuits, Vol. 39, No. 11, pp. 1976-1984, Nov. 2004


83. M. Ghovanloo, K. Najafi, “A Modular 32-site Wireless Neural Stimulation Microsystem,” IEEE J. Solid-State Circuits, Vol. 39, No.  12, pp. 2457-2466, Dec. 2004


84. M. Ghovanloo, K. Najafi, “A Wideband Frequency-Shift Keying Wireless Link for Inductively Powered Biomedical Implants,” IEEE Trans. On Circuits and Systems I: Fundamental Theory and Applications, Vol. 51, No. 12, pp. 2374-2383, Dec. 2004


85. M. Ghovanloo, K. Najafi, “A Compact Large Voltage-Compliance High Output Impedance Programmable Current Source for Implantable Microstimulators,” IEEE Trans. Biomedical Engineering, vol. 52, No. 1, pp. 97-105, Jan. 2005


86. J. Chae, H. Kulah, and K. Najafi, “A CMOS-compatible high aspect ratio silicon-on-glass in-plane micro-accelerometer,” J. Micromechanics and Microengineering, 15, No. 2, pp. 336-345, February 2005


87. J. Chae, H. Kulah, K. Najafi, “A Monolithic Three-Axis Micro-g Micromachined Silicon Capacitive Accelerometer,” IEEE Journal of Microelectromechanical Systems (JMEMS), vol. 14, No. 2, pp. 235-242, April 2005


88. P. Mohseni and K. Najafi, "A 1.48-mW Low-Phase-Noise Analog Frequency Modulator for Wireless Biotelemetry," IEEE Trans. Biomedical Eng., vol. 52, no. 5, pp. 938-942, May 2005


89. P. Mohseni, K. Najafi, S. J. Eliades, and X. Wang, “Wireless multichannel biopotential recording using an integrated FM telemetry circuit,” IEEE Trans. on Neural Systems and Rehabilitation Engineering, (see also IEEE Trans. on Rehabilitation Engineering), vol. 13,  Issue 3,  pp. 263-271, Sept. 2005


90. T.J. Harpster, S.A. Nikles, M.R. Dokmeci, K. Najafi, “Long-Term Hermeticity and Biological Performance of Anodically Bonded Glass-Silicon Implantable Packages,” IEEE Transactions on Device and Materials Reliability, vol. 5, Issue 3, pp. 458-466, Sept. 2005


91. B. A. Parviz, K. Najafi, M. O. Muller, L. P. Bernal, P. D. Washabaugh, “Electrostatically-Driven Synthetic Microjet Arrays As A Propulsion Method For Micro Flight Part I: Principles Of Operation, Modeling, and Simulation,” J. Microsystem Technologies, vol. 11, No. 11, pp. 1214-1222, Oct. 2005


92. B. A. Parviz, K. Najafi, M. O. Muller, L. P. Bernal, P. D. Washabaugh, “Electrostatically-Driven Synthetic Microjet Arrays As A Propulsion Method For Micro Flight Part II: Microfabrication and Initial Characterization,” J. Microsystem Technologies, vol. 11, No. 12, pp. 1292-1300, Oct. 2005

93. W.C. Welch, III, J. Chae, and K. Najafi, “Transfer of metal MEMS packages using a wafer-level solder transfer technique,” IEEE Transactions on Advanced Packaging (IEEE Transactions on Components, Packaging and Manufacturing Technology, Part B: Advanced Packaging), vol. 28, Issue 4, pp. 643-649, Nov. 2005


94. J. Chae, B.H. Stark, and K. Najafi,”A micromachined Pirani gauge with dual heat sinks,” IEEE Transactions on Advanced Packaging (IEEE Transactions on Components, Packaging and Manufacturing Technology, Part B: Advanced Packaging), vol. 28, Issue 4, pp. 619-625, Nov. 2005


95. H. Kim, and K. Najafi, “Characterization of Low-Temperature Wafer Bonding Using Thin Film Parylene,” IEEE/ASME Journal of Microelectromechanical Systems (JMEMS), vol. 14, Issue 6, pp. 1347-1355, Dec. 2005


96. H. Kulah, J. Chae, N. Yazdi and K. Najafi, "Noise Analysis and Characterization of a Sigma-Delta Capacitive Microaccelerometer," IEEE Journal of Solid-State Circuits,vol. 41, No. 2, February 2006


97. A. M. Sodagar, K. Najafi, “Extremely-Wide-Range Supply-Independent CMOS Voltage References for Telemetry-Powering Applications,” Journal for Analog Integrated Circuits and Signal Processing, An International Journal, Kluwer Academic Publishers, 46:3 March 2006


98. S. W. Yoon, N. Yazdi, N. C. Perkins, K. Najafi, “Micromachined Integrated Shock Protection for MEMS,” Sensors and Actuators A: Phyisal, vol. 130-131, pp. 166-175, August 2006


99.
B. H. Stark and K. Najafi, "A Mold and Transfer Process for Lead-Free Fluxless Soldering and Application to MEMS Packaging," IEEE/ASME Journal of Microelectromechanical Systems (JMEMS), vol. 15, No. 4, pp. 849-858, August 2006


100. A. Astle, H. Kim, L. Bernal, K. Najafi, and P. Washabaugh, “Theoretical and experimental performance of a high frequency gas micropump”, Sensors and Actuators A: Physical, vol. 134, Issue 1, Pages 245-256, Feb. 2007


101. A. M. Sodagar, K. D. Wise, K. Najafi, “A Fully-Integrated Mixed-Signal Neural Processor for Implantable Multi-Channel Cortical Recording,” IEEE Transactions on Biomedical Engineering, vol. 54, Issue 6, Part 1, pp. 1075-1088, June 2007


102. M. Ghovanloo, and K. Najafi, “A Wireless Implantable Multicahnnel Microstimulating System-on-a-Chip with Modular Architecture,” IEEE Transactions on Neural Systems and Rehabilitation Engineering, vol. 15, No. 3, pp. 449-457, September 2007


103. H. Kim, and K. Najafi, “Characterization of Aligned Wafer-Level Transfer of Thin and Flexible Parylene Membranes,"IEEE /ASME J. of Microelectromechanical Systems (JMEMS),vol. 16,  No. 6, pp. 1386 – 1396, Dec. 2007


104. K. King, S.W. Yooin, N.C. Perkins, and K. Najafi, “Wireless MEMS inertial System foir Golf Swing Dynamics,” Sensors and Actuators A: Physical, 141, pp. 619-630, 2008


105. H. Kulah, and K. Najafi, “Energy Scavenging from Low Frequency Vibrations By Using Frequency Up Conversion for Wireless Sensor Applications,” IEEE J. Sensors, vol. 8, no. 3, pp. 261-268, March 2008

 

 


  Conference Publications:

1. K.D. Wise, K. Najafi, "A Micromachined Integrated Sensor with On-Chip Self-Test Capability," Invited Paper, Digest, Solid-State Sensors Conf., pp. 12-16, Hilton Head, SC, June 1984


2. K.D. Wise, K. Najafi, K.L. Drake, "A Multichannel Intracortical Microprobe for Single-Unit Recording," Digest, IEEE/NSF Biosensors Conf., pp. 87-89, Los Angeles, CA, September 1984


3. S.L. BeMent, D.J. Anderson, K.D. Wise, K.L. Drake, K. Najafi, L. Xue, "Silicon Multielectrode Impedance, Geometry, and Neural Cell Recording Ability," Digest, IEEE/Seventh Annual Conf. Eng. Medicine and Biology Society, pp. 159-162, September 1985


4. K. Najafi, K.D. Wise, "An Implantable Multielectrode Array with On-Chip Signal Processing," Digest, Int. Solid-State Ckts. Conf., pp. 98-99, February 1986 (Beatrice Winner Award for Editorial Excellence)


5. S.L. BeMent, K.L. Drake, D.J. Anderson, K.D. Wise, K. Najafi, "Semiconductor Microprobes- Recording/Biocompatibility Properties," Invited Paper, IEEE/EMBS Eighth Annual Conf., Dallas, pp. 1622-1625, Texas, November 1986


6. K. Najafi, "Silicon Micromachining: Key to Silicon Integrated Sensors," Proc. of Symp. on Sensors and Technology, pp. 152-164, Vol. 87-15, Cleveland, April 1987


7. K. Najafi, "Sensor-System Interface: The Influence of On-Chip Electronics," Digest, Int. Symp. Circuits and Systems, pp. 233-236, Philadelphia, PA, May 1987


8. K. Najafi, J. Ji, K.D. Wise, "Multichannel Intracortical Recording Microprobes: Scaling Limitations, Device Characteristics, and Circuit Encapsulation," Digest, 4th Int. Conf. on Solid-State Sensors and Actuators, Transducers '87, pp. 65-68, Japan, June 1987


9. N. Najafi, K.W. Clayton, W.G. Baer, K. Najafi, K.D. Wise, "An Architecture and Interface for VLSI Sensors," Digest, Solid-State Sensor and Actuator Workshop, Hilton Head, SC, pp. 76-79, June 1988


10. K.D. Wise, N. Najafi, C.L. Johnson, J. Cowles, S. Cho, K. Najafi, "An Integrated VLSI Sensor for Semiconductor Process Control," Technical Digest, TECHCON '88, pp. 345-348, Dallas, TX, October 1988 (Best Paper in Session)


11. K. Suzuki, K. Najafi, K.D. Wise, "A 1024-Element High-Performance Silicon Tactile Imager," Digest, Int. Electron Device Meeting, IEDM 1988, pp. 674-677, San Francisco, December 1988


12. K. Najafi, K. Suzuki, "A Novel Technique and Structure for the Measurement of Intrinsic Stress and Young's Modulus of Thin Films," Digest, IEEE Workshop on Micro Electromechanical Systems, pp. 96-97, Salt Lake City, UT, February 1989


13. J.F. Hetke, K. Najafi, K.D. Wise, "Flexible Miniature Ribbon Cables for Long-Term Connection to Implantable Sensors," Book of Abstracts, 5th Int. Conf. on Solid-State Sensors and Actuators, Transducers '89, pp. 277-278, Montreux, Switzerland, June 1989


14. S.J. Tanghe, K. Najafi, K.D. Wise, "A Planar IrO Multichannel Stimulating Electrode for Use in Neural Prosthesis," Book of Abstracts, 5th Int. Conf. on Solid-State Sensors and Actuators, Transducers '89, pp. 297-298, Montreux, Switzerland, June 1989


15. J. Ji, K. Najafi, K.D. Wise, "A Scaled Electronically-Configurable Multichannel Recording Array," Book of Abstracts, 5th Int. Conf. on Solid-State Sensors and Actuators, Transducers '89, pp. 195-196, Montreux, Switzerland, June 1989


16. K. Suzuki, K. Najafi, K.D. Wise, "Process Alternatives and Scaling Limits for High-Density Silicon Tactile Imagers," Book of Abstracts, 5th Int. Conf. on Solid-State Sensors and Actuators, Transducers '89, pp. 260-262, Montreux, Switzerland, June 1989


17. K. Najafi, "Integrated Sensors in Biological Environments," Invited Paper, Book of Abstracts, 5th Int. Conf. on Solid-State Sensors and Actuators, Transducers '89, pp. 295-296, Montreux, Switzerland, June 1989


18. S.T. Cho, K. Najafi, K.D. Wise, "An Ultrasensitive Silicon Pressure-Based Flowmeter," Digest, International Electron Device Meeting, pp. 499-502, Washington, December 1989 (Winner of the Best Student Paper Award, Student: S.T. Cho)


19. S.T. Cho, K. Najafi, K.D. Wise, "Scaling and Dielectric Stress Compensation of Ultrasensitive Boron-Doped Silicon Microstructures," Digest, IEEE Workshop on Micro Electromechanical Systems, pp. 50-55, Napa Valley, California, February 1990


20. T. Akin, B. Ziaie, K. Najafi, "RF Telemetry Powering and Control of Hermetically-Sealed Integrated Sensors and Actuators," Digest, IEEE Solid-State Sensor and Actuator Workshop, pp. 145-148, Hilton-Head, SC, June 1990


21. S.T. Cho, K. Najafi, K.D. Wise, "Secondary Sensitivities and Stability of Ultrasensitive Pressure Sensors," Digest, IEEE Solid-State Sensor and Actuator Workshop, pp. 184-187, Hilton-Head, SC, June 1990


22. K.D. Wise, K. Najafi, J. Ji, J.F. Hetke, S.T. Tanghe, A. Hoogerwerf, D.J. Anderson, S.L. BeMent, M. Ghazzi, W. Baer, T. Hull, Y. Yang, "Micromachined Silicon Microprobes for CNS Recording and Stimulation," Invited Paper, Digest, IEEE Eng. in Medicine and Biol. Soc. Conf., Philadelphia, November 1990


23. T. Akin, K. Najafi, "A Micromachined Silicon Sieve Electrode for Nerve Regeneration Applications," 6th Int. Conf. on Solid-State Sensors and Actuators, pp. 128-131, San Francisco, CA, June 1991


24.
B. Ziaie, Y. Gianchandani, K. Najafi, "A High-Current Thin-Film Neuromuscular Microstimulator," 6th Int. Conf. on Solid-State Sensors and Actuators, pp. 124-127, San Francisco, CA, June 1991


25. W.G. Baer, T. Hull, K.D. Wise, K. Najafi, K.D. Wise, "A Multiplexed Silicon Infrared Thermal Imager," 6th Int. Conf. Solid-State Sensors & Actuators, pp. 631-634, San Francisco, CA, June 1991


26. J.F. Hetke, K. Najafi, K.D. Wise, "Flexible Silicon Interconnects for Microelectromechanical Systems," 6th Int. Conf. Solid-State Sensors & Actuators, pp. 764-767, San Francisco, CA, June 1991


27. J. Ji, S.T. Cho, Y. Zhang, K. Najafi, K.D. Wise, "An Ultraminiature CMOS Pressure Sensor For a Multiplexed Cardiovascular Catheter," 6th Int. Conf. on Solid-State Sensors and Actuators, pp. 1018-1021, San Francisco, CA, June 1991


28. Y. Gianchandani, K. Najafi, "A Bulk Silicon Dissolved Wafer Process for Microelectromechanical Systems," Technical Digest, Int. Electron Devices Meeting, pp. 757-760, Washington D.C., December 1991


29. Y. Gianchandani, K. Najafi, "Micron-Sized High Aspect Ratio Bulk Silicon Micromechanical Devices," Proceedings, IEEE Micro Electro Mechanical Systems Workshop, pp. 208-213, Travemunde, Germany, February 1992


30. Y. Gianchandani, K. Najafi, "Batch Fabrication and Assembly of Micromotor-Driven Mechanisms With Multi-Level Linkages," Proceedings, IEEE Micro Electro Mechanical Systems Workshop, pp. 141-146, Travemunde, Germany, February 1992


31. S. Wang, S.B. Crary, K. Najafi, "Electronic Determination of the Modulus of Elasticity and Intrinsic Stress of Thin Films Using Capacitive Bridges," Proceedings, Symposium of the Materials Research Society (MRS), 1992 Spring Meeting, San Francisco, CA, April 27-May 1, 1992


32. S. Bouwstra, H.A.C. Tilmans, A. Selvakumar, and K. Najafi, "Base-Driven Micromechanical Resonators," Digest, IEEE Solid-State Sensors and Actuators Workshop, pp. 148-152, Hilton-Head, S.C., June 1992


33. K. Najafi, "Silicon Integrated Microsensors," Invited Paper, Proceedings, International Society for Optical Engineering (SPIE) Symposium, OE/FIBERS '92, Boston, MA, September 1992


34. S. Bouwstra, H.A.C. Tilmans, A. Selvakumar, and K. Najafi, "Base-Driven Micromechanical Resonators," Book of Abstracts, Eurosensors VI, pp. 65, San Sebastian, Spain, October 5-7, 1992


35. K. Najafi, "Solid-State Integrated Microsensors," Invited Paper, 124th Meeting of the Acoustical Society of America, New Orleans, LA, October 31-November 4, 1992


36. D.J. Anderson, K.D. Wise, and K. Najafi, "Micromachined Silicon Substrate Electrodes for Extracellular Recording," Invited Paper, Proceedings, IEEE Engineering in Medicine and Biology Conference, Paris, France, October 1992


37. B. Ziaie, M. Nardin, J. Von Arx, and K. Najafi, " A Single Channel Implantable Microstimulator for Functional Neuromuscular Stimulation (FNS)," Proceedings, 7th Int. Conference on Solid-State Sensors and Actuators (Transducers '93), pp. 266-269, Yokohama, Japan, June 1993


38. B. Ziaie, J. Von Arx, M. Nardin, and K. Najafi, "A Hermetic Packaging Technology with Multiple Feedthrough For Integrated Sensors and Actuators," Proceedings, 7th Int. Conference on Solid-State Sensors and Actuators (Transducers '93), Yokohama, Japan, June 1993


39. A.D. Oliver, W.G. Baer, K. Najafi, and K.D. Wise, "Precision Measurement of Process Temperature Uniformity in Semiconductor Manufacturing," Proceedings, SRC TECHCON '93, 1993


40. K. Najafi, and C.H. Mastrangelo, "Solid-State Microsensors and Smart Structures," Invited Paper Proceedings, IEEE Ultrasonics, Ferroelectrics, and Frequency Control Symposium, Baltimore, Maryland, November 1993


41. Y. Gianchandani, and K. Najafi, "Silicon Micromachined Thermal Profilers," Digest, Int. Electron Devices Meeting, IEDM '93, pp. 191-194, Washington, DC, December 1993


42. Tayfun Akin, Khalil Najafi, Robert Bradley, “A LowPower Implantable Multichannel Digital Neural Record System,” VLSI Symposium, Hawaii, January 1994


43. K. Ma, and K. Najafi, "A New Capacitive Electrochemical Etch-Stop Technique," Proceedings, IEEE/ASME Micro Electro Mechanical Systems, Workshop, pp. 158-163, Oiso, Japan, January 1994


44.
Tayfun Akin, and K. Najafi, "A Telemetrically Powered and Controlled Implantable Neural Recording System with CMOS Interface Circuitry," Proceedings, IEEE 7th Mediterranean Electrotechnical Conf., pp. 545-548, Antalya, Turkey, April 1994


45.
W.H. Juan, S.W. Pang, A. Selvakumar, and K. Najafi, "Using Electron Cyclotron Resonance (ECR) Source to Etch Polyimide Molds for Fabrication of Electroplated Microstructures," Digest, Solid-State Sensors and Actuators Workshop, pp. 82-85, Hilton Head, SC, June 1994


46. C.W. Yeh, and K. Najafi, "Bulk-Silicon Tunneling-Based Pressure Sensors," Digest, Solid-State Sensors and Actuators Workshop, pp. 201-204, Hilton Head, SC, June 1994


47. Y.B. Gianchandani, and K. Najafi, "A Compact Strain Sensor with a Bent Beam Deformation Multiplier and a Complementary Motion Vernier," Digest, Solid-State Sensors and Actuators Workshop, pp. 116-119, Hilton Head, SC, June 1994


48. K.J. Ma, N. Yazdi, and K. Najafi, "A Bulk-Silicon Capacitive Microaccelerometer with Built-In Overrange and Force Feedback Electrodes," Digest, Solid-State Sensors and Actuators Workshop, pp. 160-163, Hilton Head, SC, June 1994


49. A. Selvakumar, and K. Najafi, "High Density Vertical Comb Array Microactuators Fabricated Using A Novel Bulk/Poly-Silicon Trench Refill Technology," Digest, Solid-State Sensors and Actuators Workshop, pp. 138-141, Hilton Head, SC, June 1994


50. M.W. Putty, and K. Najafi, "A Micromachined Vibrating Ring Gyroscope," Invited Paper, Technical Digest, Solid-State Sensors and Actuators Workshop, pp. 213-220, Hilton Head, SC, June 1994


51. Y.B. Gianchandani, and K. Najafi, "Bulk Silicon Micromachining for the Scanning Thermal Profiler and Other Applications," Int. Symposium on Optics, Imaging, and Instrumentation, SPIE, San Diego, CA, July 1994


52.
K. Najafi, "Integrated Sensing Systems in Closed Loop Neural Prosthesis," Invited Keynote Speaker, European Solid-State Sensors and Actuators Conf., EUROSENSORS, Toulouse, France, September 1994


53. K. Najafi, "Sensor/Circuit Integration in Biomedical Applications," Invited Presentation, European NEXUS Workshop on Sensor/Circuit Integration, Toulouse, France, Sept. 29-30, 1994


54. A. Selvakumar, K. Najafi, W.H. Juan, and S. Pang, "Vertical Comb Array Microactuators," Proceedings, IEEE Micro Electro Mechanical Systems (MEMS) Workshop, pp. 43-48, Amsterdam, Netherlands, February 1995


55. M. Nardin, B. Ziaie, J. Von Arx, A. Coghlan, M. Dokmeci, and K. Najafi, "An Inductively Powered Microstimulator for Functional Neuromuscular Stimulation," 13th International Symposium on Biotelemetry, pp. 99-104, Williamsburg, VA, April 1995


56. R.M. Bradley, T. Akin, S. Gurkan, X. Cao, and K. Najafi, "Chronic Recordings from Fibers of Rat Glossopharyngeal Nerve Regenerated Through a Micromachined Sieve Electrode Array," 17th annual meeting of the Association for Chemoreception Sciences, Sarasota FL, April 19-23, 1995


57. K. Najafi, "Silicon-Based Electronic Interfaces to Biological Systems," Invited Speaker at the Workshop on "Bio-Mechatronics" held as part of the 1995 IEEE Int. Conference on Robotics and Automation, Nagoya, Japan, May 22-27, 1995


58. T. Akin, K. Najafi, and R.M. Bradley, "An Implantable Multichannel Digital Neural Recording System for a Micromachined Sieve Electrode,” 1995 Int. Conference on Solid-State Sensors and Actuators, Transducers '95, Stockholm, Sweden, June 1995


59. M. Nardin, and K. Najafi, "A Multichannel Neuromuscular Microstimulator With Bi-Directional Telemetry,” 1995 Int. Conference on Solid-State Sensors and Actuators, Transducers '95, pp. 59-62, Stockholm, Sweden, June 1995


60. J. Von Arx, B. Ziaie, M. Dokmeci, And K. Najafi, "Hermeticity Testing of Glass-Silicon Packages with On-Chip Feedthroughs,” 1995 Int. Conference on Solid-State Sensors and Actuators, Transducers '95, pp. 244-247, Stockholm, Sweden, June 1995


61. A. Mason, N. Yazdi, K. Najafi, and K.D. Wise, "A Low-Power Wireless Microinstrumentation System for Environmental Monitoring,” 1995 Int. Conference on Solid-State Sensors and Actuators, Transducers '95, Stockholm, Sweden, June 1995


62. Y.B. Gianchandani, K.J. Ma, and K. Najafi, "A CMOS Dissolved Wafer Process for Integrated p++ Microelectromechanical Systems,” 1995 Int. Conference on Solid-State Sensors and Actuators, Transducers '95, Stockholm, Sweden, June 1995


63. K. Najafi, “Recent Progress in Micromachining Technology and Applications in Implantable Biomedical Systems,” Invited Lecture, Proceedings, Sixth Int. Symp. on Micro Machine and Human Science, MHS ‘95, pp. 11-20, Nagoya, Japan, October 1995


64. K. Najafi, “Microinstrumentation Systems for Environmental Monitoring,” Invited Paper, Proceedings, Int. Symp. on Micro Systems, Intelligent Materials and Robots, pp. 142-145, Sendai, Japan, September 1995


65. K.D. Wise, C.H. Mastrangelo, K. Najafi, and Clark T.C. Nguyen, “Research in Integrated Sensors and Microsystems at the University of Michigan”, Invited Paper, Disgest, Sensors Expo, Chicago, September 1995


66. C. Yeh, and K. Najafi, “A Low-Voltage Bulk Silicon Tunneling-Based Microaccelerometer,” Proceedings, 1995 Int. Electron Devices Meeting (IEDM ‘95), pp. 593-596, Washington D.C., December 1995


67. B. Ziaie and K. Najafi, "Biomedical Microdevices: A Micromachining Approach," Invited Paper, Proceedings, 1995 International Semiconductor Device Research Symposium, pp. 401-404, Charlottesville, VA, December 5-8, 1995


68. A. Selvakumar, N. Yazdi, and K. Najafi, “A Low-Power Wide Range Threshold Acceleration Sensing System,” Proceedings, 1996 Micro Electromechanical Systems Workshop (MEMS ‘96), San Diego, California, February 1996


69. T. Akin, B. Ziaie, and K. Najafi, “A Modular, Micromachined High-Density Connector for Implantable Biomedical Systems,” Proceedings, 1996 Micro Electromechanical Systems Workshop (MEMS ‘96), San Diego, California, February 1996


70. C. Huang, J. Papp, K. Najafi, and H.M. Nagib, “A Microactuator System for the Study and Control of Screech in High-Speed Jets,” Proceedings,1996 Micro Electromechanical Systems Workshop (MEMS ‘96), San Diego, California, February 1996


71. N. Yazdi, A. Mason, K. Najafi, and K.D. Wise, “A Smart Sensing Microsystem with a Capacitive Sensor Interface,” Proceedings, 1996 IEEE Int. Conf. on Circuits and Systems, Vol. 4, pp. 336-339, Atlanta, Georgia, May 1996


72. N. Yazdi, A. Mason, K. Najafi, K.D. Wise, “A Low-Power Generic Interface Circuit for Capacitive Sensors,” Technical Digest, Solid-State Sensor and Actuator Workshop, Hilton Head, SC, June 1996


73. K. Najafi, “Silicon Micromachining Technologies: Future Needs and Challenges,” Invited Speaker SPIE, Micromaching & Microfabrication Process Technology II Conference, October 1996


74. B. Ziaie, J. Von Arx, K. Najafi, “A Micro-Fabricated Planar High-Current IrOx Stimulating Microelectrode,” IEEE Eng. in Medicine and Biology (EMBS) Conf., Amsterdam, October 1996


75. E. Alnajjar, A. Naguib, H. Nagib, C.C. Huang, K. Najafi, “Receptivity of the Shear Layer of an Axi-Symmetric Jet to Excitation Using MEMS-Based Mechanical Actuators,” Meeting of the Division of Fluid Dynamics, New York, November 1996


76. A. Selvakumar, F. Ayazi, and K. Najafi, “A High-Sensitivity Z-Axis Silicon Accelerometer,” Technical Digest, IEEE Int. Electron Devices Meeting, San Francisco, December 1996


77. N. Yazdi, and K. Najafi, “An All-Silicon Single-Wafer Fabrication Technology for Precision Microaccelerometers,” Ninth IEEE Int. Conference on Solid-State Sensors and Actuators, Transducers ‘97, Chicago, June 1997


78. C. Yeh, and K. Najafi, “Micromachined Tunneling Accelerometer with a Low-Voltage CMOS Interface Circuit,” Ninth IEEE Int. Conference on Solid-State Sensors and Actuators, Transducers ‘97, Chicago, June 1997


79. J. Von Arx, and K. Najafi, “On-Chip Coils with Integrated Cores for Remote Inductive Powering of Integrated Microsystems,” Ninth IEEE Int. Conference on Solid-State Sensors and Actuators, Transducers ‘97, Chicago, June 1997


80. M. Dokmeci, J. Von Arx, and K. Najafi, “Accelerated Testing of Anodically Bonded Glass-Silicon Packages in Salt Water,” Ninth IEEE Int. Conference on Solid-State Sensors and Actuators, Transducers ‘97, Chicago, June 1997


81. B. Ziaie, N. Kocaman, and K. Najafi, “A Generic Micromachined Silicon Platform for Low-Power, Low-Loss Miniature Transceivers,” Ninth IEEE Int. Conference on Solid-State Sensors and Actuators, Transducers ‘97, Chicago, June 1997


82. Y. Gianchandani, M. Shinn, K. Najafi, “Impact of Long, High Temperature Anneals on Residual Stress in Polysilicon,” Ninth IEEE Int. Conference on Solid-State Sensors and Actuators, Transducers ‘97, Chicago, June 1997


83. A. Naguib, C. Christophorou, E. Alnajjar, H. Nagib, C.C. Huang, and K. Najafi, “Arrays of MEMS-Based Actuators for Control of Supersonic Jet Screech,” Meeting of the American Institute of Aeronautics and Astronautics, Paper AIAA 97-1963, July 1997


84. B. Ziaie, K. Najafi, and D. J. Anderson, "A Low-Power Miniature Transmitter Using a Low-Loss Silicon Platform for Biotelemetry," Proc. 19th Ann. International IEEE Engineering in Medicine and Biology Conference, Chicago, 4 pages, October 1997


85. E. Alnajjar, H. Nagib, A. Naguib, C. Christophorou, C. Huang, and K. Najafi, "Receptivity of High-Speed Jets to Excitation Using an Array of MEMS-Based Mechanical Actuators," ASME, FEDSM'97, 1997


86. F. Ayazi and K. Najafi, "Design and fabrication of a high-performance polysilicon vibrating ring gyroscope," Proceedings, IEEE Micro Electro Mechanical Systems Workshop (MEMS'98), Heidelberg, Germany, pp. 621-626, Jan. 1998.


87. Y. Gianchandani, H. Kim, M Shinn, B. Ha, B. Lee, K. Najafi, and C. Song, "A MEMS-First Fabrication Process for Integrating CMOS Circuits with Polysilicon Microstructures," Proc. Eleventh IEEE International Workshop on Micro Electro Mechanical Systems (MEMS), Heidelberg, Germany, pp. 257-262, Jan. 1998


88. C. Huang, K. Najafi, E. Alnajjar, C. Christophorou, A. Naguib, and H.M. Nagib, “Operation and Testing of Electrostatic Microactuators and Micromachined Sound Detectors for Active Control of High Speed Flows,” Proceedings, IEEE/ASME Micro Electro Mechanical Systems Workshop, Heidelberg, Germany, pp. 81-86, January 1998


89. C. Huang, and K. Najafi, “Ultra-Thin p++ Monocrystalline Silicon Microstructures,” Technical Digest, Solid-State Sensor and Actuator Workshop, Hilton-Head, S.C., June 1998


90. B. Ziaie, T.W. Wu, N. Kocaman, K. Najafi, and D.J. Anderson, “An Implantable Pressure Sensor Cuff For Tonometric Blood Pressure Measurement,” Technical Digest, Solid-State Sensor and Actuator Workshop, Hilton-Head, S.C., June 1998


91.
Y.T. Cheng, L. Lin, and K. Najafi, “Localized Silicon Fusion and Eutectic Bonding for MEMS Fabrication and Packaging,” Technical Digest, Solid-State Sensor and Actuator Workshop, pp. 233-236, Hilton-Head, S.C., June 1998


92.
N. Yazdi, K. Najafi, “Modeling and Noise Analysis of A Silicon Micro-g Accelerometer with Direct Digital Output,” Proceedings of The 2nd International Conference on Integrated Nano/Microtechnology for Space Applications (NanoSpace98), Houston, TX, USA, November 1998


93.
Y.T. Cheng, L. Lin, and K. Najafi, “Localized Bonding with PSG or Indium Solder as Intermediate Layer,” Digest, IEEE Micro Electro Mechanical Systems (MEMS) Conference, pp. 285-289, Orlando, Florida, Jan. 1999


94. M. Dokmeci, and K. Najafi,”A High Sensitivity Polyimide Humidity Sensor For Monitoring Hermetic Micropackages,” Digest, IEEE Micro Electro Mechanical Systems (MEMS) Conference, Orlando, Florida, Jan. 1999


95.
N. Yazdi, A. Salian, and K. Najafi, “A High-Sensitivity Capacitive Microaccelerometer With a Folded-Electrode Structure,” Digest, IEEE Micro Electro Mechanical Systems (MEMS) Conference, Orlando, Florida, Jan. 1999


96.
J.A. Von Arx, and K. Najafi, “A Single-Chip Fully-Integrated Telemetry-Powered System For Peripheral Nerve Stimulation,” Digest, IEEE Int. Conf. On Solid-State Circuits (ISSCC ‘99), pp. 214-215, San Francisco, February 1999


97.
N. Yazdi, and K. Najafi, “An Interface IC For Capacitive Silicon µg Accelerometers,” Digest, IEEE Int. Conf. On Solid-State Circuits (ISSCC ‘99), pp. 132-133, San Francisco, February 1999


98. A. Naguib, E. Soupos, H. Nagib, C. Huang, and K. Najafi, “A Piezoresistive MEMS Sensor for Acoustic Noise Measurements,” 5th AIAA/CEASAeroacoustic Conference and Exhibit, May 10-12, Bellevue, WA, 1999


99. Babak Amir Parviz, L. Bernal, and K. Najafi, “A Micromachined Helmholtz Resonator For Generation of Microjet Flows,” Technical Digest, Tenth Int. Conf. On Solid-State Sensors and Actuators (Transducers ’99), pp. 1788-1791, Sendai, Japan, June 1999


100. B. Amir Parviz, and K. Najafi, Fabrication of Bulk-Silicon Microstructures Using a Trench-Assisted Etch-Stop Process,” Technical Digest, Tenth Int. Conf. On Solid-State Sensors and Actuators (Transducers ’99), pp. 534-537, Sendai, Japan, June 1999


101. F. Ayazi, and K. Najafi, “High Aspect-Ratio Polysilicon Micromachining Technology,” Technical Digest, Tenth Int. Conf. Solid-State Sensors & Actuators (Transducers ’99), Sendai, Japan, June 1999


102. R. Vogt, K. Najafi, Ralph Steiner, and H. Baltes, “A Low-Drift Differential Double Hall Sensor with On-Chip CMOS Circuitry,” Technical Digest, Tenth Int. Conf. On Solid-State Sensors and Actuators (Transducers ’99), Sendai, Japan, June 1999


103.
A. Naguib, D. Benson, H. Nagib, C. Huang, and K. Najafi, “Assessment of MEMS-Based Hot Wires,” Proceedings of the 3rd ASME/JSME Joint Fluids Engineering Conference, San Francisco, CA July 1999


104. K. Najafi, B.A. Parviz, L.P. Bernal, P. Washabaugh, A.K. Chou, C. Zhang, M. Muller, and R. Moran, “Micromachined Resonators and Their Application in Micro Propulsion Systems,” Proceedings, 6th Annual Strategic and Technical Symposium on Vehicular Applications of Displays and Micro Sensors, pp. 189-192, Ypsilanti, Michigan, Sept. 1999


105. D. Aslam, V. Papageorgiou, F. Ayazi, and K. Najafi, “IC-Compatible Technology of Poly-Diamond MEMS,” Proceedings, 6th Annual Strategic and Technical Symposium on Vehicular Applications of Displays and Micro Sensors, pp. 113-116, Ypsilanti, Michigan, Sept. 1999


106. F. Ayazi, H.H. Chen, and K. Najafi,” High-Performance Vibratory Silicon Microgyroscope,” Proceedings, 6th Annual Strategic and Technical Symposium on Vehicular Applications of Displays and Micro Sensors, pp. 153-158, Ypsilanti, Michigan, Sept. 1999


107. A. Salian, H. Kulah, N. Yazdi, and K. Najafi,“A Micro-g Capacitive Silicon Microaccelerometer,” Proceedings, 6th Annual Strategic and Technical Symposium on Vehicular Applications of Displays and Micro Sensors, pp. 165-172, Ypsilanti, Michigan, Sept. 1999


108. M. Dokmeci, K. Najafi, “Glass-Silicon Hermetic Micro Packages for Implantable Biomedical Microsystems,” Proceedings, 6th Annual Strategic and Technical Symposium on Vehicular Applications of Displays and Micro Sensors, pp. 159-164, Ypsilanti, Michigan, Sept. 1999


109. Arjun Chandran, K. Najafi, and K.D. Wise, “A New DC Baseline Stabilization Scheme for Neural Recording Microprobes,” 1999 First Joint BMES/EMBS Conference, Annual Fall Meeting of the Biomedical Engineering Society, 21st Annual International Conference of the Engineering in Medicine and Biology Society, pp. 386-387, Atlanta, Georgia, October 1999


110. S. Hauvespre, M. Dokmeci, and K. Najafi , “Wireless Humidity Monitoring in Hermetic Biomedical Micropackages,” 1999 First Joint BMES/EMBS Conference, Annual Fall Meeting of the Biomedical Engineering Society, 21st Annual International Conference of the Engineering in Medicine and Biology Society, pp. 487-488, Atlanta, Georgia, October 1999


111. P. Mohseni, K. Nagarajan, B. Ziaie, K. Najafi, and S. B. Crary, “Robotics at the Interface of Microsystems Technology and Biology: Biobotics,” International Advanced Robotics Program's Workshop on Micro Robots, Micro Machines and Systems, The Institute for Problems in Mechanics, Russian Academy of Sciences, Moscow, Russia, pp. 78-82, 24-25 November 1999


112. Michael O. Muller, Luis P. Bernal, Robert P. Moran, Peter D. Washabaugh, Babak Amir Parviz, and Khalil Najafi, " Micromachined acoustic resonators for microjet propulsion", AIAA 38th Aerospace Science Conference, January 10-13, 2000, Reno Nevada, AIAA-2000-0547


113.
Robert P. Moran, Peter D. Washabaugh, Michael O. Muller, Luis P. Bernal, Babak Amir Parviz, and Khalil Najafi, "Numerical simulation of micromachined acoustic resonators", AIAA 38th Aerospace Science Conference, January 10-13, 2000, Reno Nevada, AIAA-2000-0546


114. Michael O. Muller, Luis P. Bernal, Robert P. Moran, Peter D. Washabaugh, Babak Amir Parviz, Allen T. -K. Chou, Chunbo Zhang, and Khalil Najafi, "Thrust performance of micromachined synthetic jets,” AIAA Fluids 2000 Conference, January 19-22, 2000, Denver Colorado, AIAA-2000-2404


115. J. Chae, H. Kulah, A. Salian, and K. Najafi, "A High-Sensitivity Silicon-On-Glass Lateral Micro-g Microaccelerometer," Third Annual Micro/NanoTechnology Conference, Nanospace 2000, Houston, Texas, January 2000


116. B.A. Parviz, T.K. Chou, C. Zhang, K. Najafi, M.O. Muller, L.P. Bernal, and P. Washabaugh, “A Wafer-Integratedf Array of Micromachined Electrostatically-Driven Ultrasonic Resonators for Microfluidic Applications,” Technical Digest, 13th IEEE International Conference on Micro Electro Mechanical Systems (MEMS), pp. 34-39, Myazaki, Japan, January 2000


117.
T. Harpster, S. Hauvespre, M. Dokmeci, B. Stark, A. Vosoughi, and K. Najafi, “A Passive Humidity Monitoring System for In-Situ remote Wireless Testing of Micropackages,” Technical Digest, 13th IEEE International Conference on Micro Electro Mechanical Systems (MEMS), pp. 335-340, Myazaki, Japan, January 2000


118. Y.T. Cheng, L. Lin, and K. Najafi, “Fabrication and Hermeticity Testing of A Glass-Silicon Package Formed Using Localized Aluminum/Silicon-To-Glass Bonding,” Technical Digest, 13th IEEE International Conference on Micro Electro Mechanical Systems (MEMS), pp. 757-762, Miyazaki, Japan, January 2000


119. F. Ayazi and K. Najafi, “High Aspect-Ratio Dry-Release Poly-Silicon MEMS Technology for Inertial-Grade Microgyroscopes,” in Proc. IEEE 2000 Position Location and Navigation Symposium (PLANS 2000), San Diego, CA, March 2000, pp. 304-308.


120. P.D. Washabaugh, T. MacDermid, M.O. Muller, L.P. Bernal, B. Amir Parviz, T.K. Chou, C. Zhang, and K. Najafi, “An Approach Toward a Wafer Integrated Micro Air Vehicle,” Proceedings, Fifteenth International Conference on Unmanned Air Vehicle Systems, pp. 33.1-33.11, Bristol, UK, April 2000


121. Arvind Salian, Haluk Kulah, Navid Yazdi, Guohong He and Khalil Najafi, "A High-Performance Hybrid CMOS Microaccelerometer, " Technical Digest, Hilton Head 2000 Solid-State Sensor & Actuator Workshop, pp. 285-288, Hilton Head Island, SC, June 2000


122. F. Ayazi, H.H Chen, F. Kocer, G. He, and K. Najafi, “A High Aspect-Ratio Polysilicon Vibrating Ring Gyroscope,” in Tech. Dig. Solid-State Sensors and Actuators Workshop, Hilton Head, SC, June 2000, pp. 289-292.


123. Michael O. Müller, Luis P. Bernal, Robert P. Moran, Peter D. Washabaugh, Babak Amir Parviz, Tsung-Kuan Allen Chou, Chunbo Zhang, Khalil Najafi, “Thrust Performance of Micromachined Synthetic Jets,” Fluids 2000 Conference and Exhibit, AIAA Paper 2000-2404, Denver, CO, June 19-22 2000


124. K. Najafi, “Micromachined Micro Systems: Miniaturization Beyond Microelectronics,” Keynote Plenary Talk, IEEE VLSI Circuits Symposium, Hawaii, June 12-16, 2000


125. K. Najafi, “Low-Power Micromachined Micro Systems,” Keynote Speaker, Int. Symposium on Low-Power Electronics and Devices (ISLPED ’00), Portofino, Italy, July 2000


126. R. Rangarajan, J.A. Von Arx, S. Rose, B. Ziaie, K. Najafi, "Fully Integrated Nerve Electrical Stimulation System,” IEEE Midwest Symposium for Circuits and Systems, 2000, Lansing, MI, Aug. 8-11, 2000


127. A. Salian, H. Kulah, N. Yazdi, G. He, and K. Najafi, "A Hybrid Silicon Microaccelerometer System with CMOS Interface Circuit," IEEE Midwest Symposium for Circuits and Systems, Lansing MI, August 8-11 2000


128. H. Kulah, N. Yazdi, and K. Najafi, "A CMOS Switched-Capacitor Interface Circuit for an Integrated Acclerometer," IEEE Midwest Symposium for Circuits and Systems, Lansing MI, August 8-11 2000


129. T. Lisby, S. Nikles, K. Najafi, O. Hansen, S. Bouwstra and J. Branebjerg, “Mechanical characterization of flexible silicon microstructures,” Eurosensors 2000, The 14th European Conference on Solid-State Transducers, 27-30 August 2000, Copenhagen, Denmark


130. Orhan Akar, Tayfun Akin, Tim Harpster, and Khalil Najafi, “A Wireless Batch Sealed Absolute Capacitive Pressure Sensor,” Eurosensors 2000, The 14th European Conference on Solid-State Transducers, Copenhagen, Denmark , pp. 585-588, 27-30 August 2000


131.
N. Yazdi, K. Najafi, "Performance limits of a closed-loop micro-G silicon accelerometer with deposited rigid electrodes," Proceedings of the 12th IEEE International Conference on Microelectronics (ICM 2000), Tehran, Iran, October 2000, pp. 313 -316


132. M.O. Müller, L.P. Bernal, P.K. Miska, P.D. Washabaugh, T.-K.A. Chou, B.A. Parviz, C. Zhang & K. Najafi, “Flow structure and performance of axisymmetric synthetic jets,” AIAA 39th Aerospace Sciences Meeting & Exhibit, January 8-11, 2001, Reno, Nevada, AIAA Paper 2001-1008


133. Y. T. Cheng, W.T. Hsu, Liwei Lin, C.T. Nguyen, and K. Najafi, "Vacuum Packaging Technology Using Localized Aluminum/Silicon-To-Glass Bonding,” Proceedings of 14th IEEE Micro Electro Mechanical Systems Conference (MEMS 2001), pp.18-21, Interlaken, Switzerland, Jan. 2001


134. B.A. Parviz, T.K. Chou, C. Zhang, K. Najafi, M.O. Müller, L.P. Bernal & P. Washabaugh, “Performance of ultrasonic electrostatic resonators for use in micro propulsion,” Proceedings of 14th IEEE Micro Electro Mechanical Systems Conference (MEMS 2001), pp. 586-589, Interlaken, Switzerland, Jan. 2001


135. T. Harpster, B. Stark, and K. Najafi, "A Passive Wireless Integrated Humidity Sensor,” Proceedings of 14th IEEE Micro Electro Mechanical Systems Conference (MEMS 2001), Miyazaki, Japan, pp.335-340., Jan. 2001


136. Stefan Nikles, Sanford Bledsoe, Robert Bradley, and Khalil Najafi, "Reliability and Contact Resistance of Polysilicon Beams Leads for Use in a High-Density Connector", Proceedings of 14th IEEE Micro Electro Mechanical Systems Conference (MEMS 2001), pp. 65-67, Interlaken, Switzerland, January 21-25, 2001


137. B. H. Stark, M. Dockmeci, T. J. Harspter, and K. Najafi, "Improving Corrosion resitance and Silicon Glass Micropackages Using Boron Doping and/or Self-Induced Galvanic Bias", Proceedings of International Reliability Physics Symposium, Orlando, Fl, pp. 455-462, April 2001


138. K. D. Wise, K. Najafi, D. M. Aslam, R. B. Brown, J. M. Giachino, L. C. McAfee, C. T.-C. Nguyen, R. O. Warrington, and E. T. Zellers, "Wireless Integrated MicroSystems (WIMS): The Coming Revolution in the Remote Gathering of Information, Digest SensorsExpo, (Symposium Keynote), Chicago, June 2001


139. Tsung-Kuan A. Chou, Khalil Najafi, “3D MEMS Fabrication Using Low-Temperature Wafer Bonding With Benzocyclobutene (BCB),” Digest, Twelft IEEE Int. Conf. On Solid-State Sensors and Actuators (Transducers '01), Munich, Germany, June 2001


140.
C. Zhang, K. Najafi, L.P. Bernal & P. Washabaugh, “An integrated combustor-thermoelectric micro power generato,” Technical Digest, Digest, Twelft IEEE Int. Conf. On Solid-State Sensors and Actuators (Transducers '01), Munich, Germany, June 2001


141. T.K. Chou, K. Najafi, M.O. Müller, L.P. Bernal & P. Washabaugh, “High-Density micromachined ejector array for micro propulsion,” Technical Digest, Twelft IEEE Int. Conf. On Solid-State Sensors and Actuators (Transducers '01), Munich, Germany, June 2001


142. Brian H. Stark and Khalil Najafi, “An Ultra-Thin Hermetic Package Utilizing Electroplated Gold,” Technical Digest, Twelft IEEE Int. Conf. On Solid-State Sensors and Actuators (Transducers '01), Munich, Germany, June 2001


143. H. Yu, and K. Najafi, Circuitry For A Wireless Microsystem For Neural Recording Microprobes," Proceedings, International IEEE Engineering in Medicine and Biology Conference (EMBC), Istanbul, Turkey, October 2001


144.
G. J. O‚Brien, D. J. Monk, and K. Najafi, “Submicron High Aspect Ratio Silicon Beam Etch," Proceedings, SPIE MEMS Symposium, Vol. 4592, pp. 41-48, Australia, December 2001


145. M.O. Müller, L.P. Bernal, P.D. Washabaugh, T-K A. Chou, And K. Najafi, Flow Field And Performance of High Frequency Micromachined Synthetic Jets," 40th AIAA Aerospace Sciences Meeting and Exhibit, paper # 2002-0974, Reno, Nevada, January 2002


146. J. Chae, H. Kulah, and K. Najafi, "A Hybrid Silicon-On-Glass (Sog) Lateral Micro-Accelerometer With CMOS Readout Circuitry," Technical Digest, IEEE 2002 Int. Conference on Micro Electro Mechanical Systems (MEMS 2002), Las Vegas, January 2002


147. T-K A. Chou and K. Najafi, "Fabrication Of Out-Of-Plane Curved Surfaces In Si By Utilizing RIE Lag," Technical Digest, IEEE 2002 Int. Conference on Micro Electro Mechanical Systems (MEMS 2002), Las Vegas, January 2002


148. G. He, and K. Najafi, "A Single-Crystal Silicon Vibrating Ring Gyroscope," Technical Digest, IEEE 2002 Int. Conference on Micro Electro Mechanical Systems (MEMS 2002), Las Vegas, January 2002


149. T-K A. Chou, K. Najafi, M.O. Muller, L.P. Bernal, and P.D. Washabaugh, "Characterization Of Micromachined Acoustic Ejector And Its Applications," Technical Digest, IEEE 2002 Int. Conference on Micro Electro Mechanical Systems (MEMS 2002), Las Vegas, January 2002


150.
T. J. Harpster and K. Najafi, "Long-Term Testing Of Hermetic Anodically Bonded Glass-Silicon Packages," Technical Digest, IEEE 2002 Int. Conference on Micro Electro Mechanical Systems (MEMS 2002), Las Vegas, January 2002


151. C. Zhang, and K. Najafi, "Fabrication Of Thick Silicon Dioxide Layers Using DRIE, Oxidation And Trench Refill," Technical Digest, IEEE 2002 Int. Conference on Micro Electro Mechanical Systems (MEMS 2002), Las Vegas, January 2002


152.
T-K A. Chou, K. Najafi, M.O. Muller, L.P. Bernal, P.D. Washabaugh, and B. Amirparviz, "Micromachined E-Jet for IC Chip Cooling," Technical Digest, IEEE International Solid-State Circuits Conference, pp. 356-357, San Francisco, CA, February 2002

153. T. Harpster and K. Najafi, "Long-Term Testing Of Hermetic Anodically Bonded Glass-Silicon Packages," Technical Digest, IEEE 2002 Int. Conference on Micro Electro Mechanical Systems (MEMS 2002), pp. 423-426, Las Vegas NV, January 2002

154. C. Zhang, and K. Najafi, "Fabrication Of Thick Silicon Dioxide Layers Using DRIE, Oxidation And Trench Refill," Technical Digest, IEEE 2002 Int. Conference on Micro Electro Mechanical Systems (MEMS 2002), pp. 160-163, Las Vegas NV, January 2002

155. T.-K. Chou, K. Najafi, M. Muller, L. Bernal, P. Washabaugh, and B. Amirparviz, "Micromachined E-Jet for IC Chip Cooling," Technical Digest, IEEE International Solid-State Circuits Conference, pp. 356-357, San Francisco CA, February 2002

156. M. Ghovanloo, K. Beach, K. D. Wise, and K. Najafi, "A BiCMOS wireless interface chip for micromachined stimulating microprobes," Proceedings, IEEE-EMBS Special Topic Conference on Microtechnologies in Medicine and Biology, pp. 277-282, Madison WI, May 2002

157. M. Ghovanloo and K. Najafi, "Fully integrated power supply design for wireless biomedical implants," Proceedings,IEEE-EMBS Special Topic Conference on Microtechnologies in Medicine and Biology, pp. 414-419, Madison WI, May 2002

158. K. Najafi, “Power and Integrated Microsystems," Plenary Presentation, SPIE International Symposium on Design, Test, Integration, and Packaging of MEMS and MOEMS, Cannes, France, May 6-8, 2002

159. H. Kulah, A. Salian, N. Yazdi, and K. Najafi, "A 5V Closed-Loop Second-Order Sigma-Delta Micro-G Microaccelerometer," Technical Digest, Solid-State Sensor & Actuator Workshop, pp. 219-222, Hilton Head SC, June 2002

160. Y. Mei, G. R. Lahiji, and K. Najafi, “A Robust Gold-Silicon Eutectic Wafer Bonding Technology for Vacuum Packaging,” Technical Digest, Solid-State Sensor and Actuator Workshop, pp. 86-89, Hilton Head SC, June 2002

161. G. O’Brien, D. J. Monk, and K. Najafi, “Angular Rate Gyroscope with Dual Anchor Support,” Technical Digest, Solid-State Sensor and Actuator Workshop, pp. 285-288, Hilton Head SC, June 2002

162. M. Ghovanloo, K. Najafi, “A High Data Transfer Rate Frequency Shift Keying Demodulator Chip for the Wireless Biomedical Implants,” in IEEE 45th Midwest Symposium on Circuits and Systems Proc., Tulsa OK, August 4-7 2002

163. H. Kulah and K. Najafi, "A Low Noise Switched-Capacitor Interface Circuit for Sub-Micro Gravity Resolution Micromachined Accelerometers," European Solid-State Circuits Conference ESSCIRC'02, pp. 635-639, Florence, Italy, Sept. 2002

164. A. Sodagar, K. Najafi, “A Wide-Range Supply-Independent CMOS Voltage Reference for Telemetry-Powering Applications,” Proceedings,2002 IEEE International Conference on Electronics, Circuits, and Systems (ICECS'02), pp. 401-404, Dubrovnik, Croatia, September 15-18, 2002

165. M. Ghovanloo, K. Najafi, “A BiCMOS Wireless Stimulator Chip for Micromachined Stimulating Microprobes,” in The IEEE 2nd Joint EMBS-BMES Conference Proceedings, pp. 2113-2114, Houston, Texas, October 2002

166. P. Mohseni and K. Najafi, "A Low-Power Fully Integrated Bandpass Operational Amplifier For Biomedical Neural Recording Applications," Proceedings of the 2nd Joint IEEE EMBS/BMES Conference, pp. 2111-2112, Houston, TX, October 23-26, 2002

167. C. Zhang, L. Bernal, P. Washabaugh, K. Najafi "A Micromachined Combustor and its Application to Thermoelectric Power Generation", Proceedings of theASME 2002Vol. 2, IMECE2002-33272, New Orleans LA, Nov. 2002

168. B. Stark and K. Najafi, "A Wafer Level Vacuum Packaging Technology Utilizing Electroplated Nickel," Proceedings of the ASME IMECE 2002 Vol. 2, IMECE2002-34268, New Orleans LA, November 18-22, 2002

169. M. Muller, L. Bernal, P. Washabaugh, T.-K. Chou, H. Kim, and K. Najafi, “Acoustically Generated Micromachined Jet Arrays For Micropropulsion Applications,” Proceedings of the ASME IMECE 2002 Vol. 2, IMECE2002-33630, New Orleans LA, November 18-22, 2002

170. A. Astle, A. Paige, L. Bernal, J. Munfakh, H. Kim, and K. Najafi, “Analysis And Design Of Multistage Electrostatically-Actuated Micro Vacuum Pumps,” Proceedings of the ASME IMECE 2002 Vol. 2, IMECE2002-34308,  New Orleans LA, November 18-22, 2002

171. E. Zellers, K. Wise, K. Najafi, D. Aslam, R. Brown, Q. Cai, J. Driscoll, M. Flynn, J. Giachino, R. Gordenker, M. Hsieh, C. Nguyen, P. Bergstrom,  J. Drelich,  C. Friedrich,  E. Gamble, M Kaviany, C. Lu, A. Matzger, M. Oborny, S. Pang, J. Potkay, R. Sacks, W.-C. Tian, W. Steinecker, J. Whiting, Q. Zhong,  "Determinations of Complex Vapor Mixtures in Ambient Air with a Wireless Microanalytical System:  Vision, Progress, and Homeland Security Applications," Technical Digest of the IEEE Conference on Technologies for Homeland Security, pp. 92-95, Waltham MA, IEEE, November 13-14, 2002

172. K. Wise and K. Najafi, “Fully-Implantable Auditory Prostheses: Restoring Hearing to the Profoundly Deaf,” Invited Paper, 2002 IEEE International Electron Devices Meeting (IEDM), pp. 499-502, San Francisco CA, December 2002

173. M. Muller, L. Bernal, P. Washabaugh, H. Kim, K. Najafi, “Resonance Effects of Electrostatically Actuated Acoustic Jets,” 41st Aerospace Sciences Meeting and Exhibit (AIAA), AIAA Paper 2003-1272.  Reno NV, January 6-9, 2003

174. J. Chae, H. Kulah, and K. Najafi, "An In-Plane High-Sensitivity, Low-Noise Micro-G Silicon Accelerometer", Proceedings of the 16th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2003), pp. 466-469, Kyoto, Japan, January 2003

175. T. J. Harpster, and K. Najafi, "Field-Assisted Bonding of Glass to Si-Au Eutectic Solder For Packaging Applications," Proceedings of the 16th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2003), pp. 630-633, Kyoto, Japan, January 2003

176. B. Stark, Y. Mei, C. Zhang, and K. Najafi, "A Doubly Anchored Surface Micromachined Pirani Gauge for Vacuum Package Characterization," Proceedings of the 16th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2003), pp. 506-509, Kyoto, Japan, January 2003

177. Xiangwei Zhu, Steve Guillaudeu, Dean M. Aslam, Ungsik Kim, Brian Stark, and Khalil Najafi, “All Diamond Packaging For Wireless Integrated Micro-Systems Using Ultra-Fast Diamond Growth,” Proceedings of the 16th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2003), pp. 658-661, Kyoto, Japan, January 2003

178. K. Najafi, “Micropackaging Technologies for Integrated Microsystems: Applications to MEMS and MOEMS,” Invited Plenary Talk, Proceedings of SPIE’s Micromachining and Microfabrication Symposium, pp. 1-19, San Jose, CA, USA, January 27-29, 2003

179. H. Kulah, J. Chae, N. Yazdi and K. Najafi, "A Multi-Step Electromechanical Sigma-Delta Converter for Micro-g Capacitive Accelerometers," Technical Digest, IEEE International Conference on Solid-State Circuits Conference (ISSCC 2003), pp. 202-203, San Francisco CA, February 2003

180. H. Yu, K. Najafi, "Low-Power Interface Circuits for Bio-Implantable Microsystems", Technical Digest, IEEE International Conference on Solid-State Circuits Conference (ISSCC 2003), San Francisco CA, February 2003

181. P. Mohseni and K. Najafi, "A Wireless FM Multi-Channel Microsystem for Biomedical Neural Recording Applications," Proceedings, IEEE Southwest Symposium on Mixed-Signal Design (SSMSD 2003), pp. 217-222, Las Vegas NV, February 23-25, 2003

182. M. Ghovanloo, K. Najafi, “A Fully Digital Frequency Shift Keying Demodulator Chip for Wireless Biomedical Implants,” Proceedings, IEEE Southwest Symposium on Mixed-Signal Design (SSMSD 2003), pp. 223-227, Las Vegas NV, February 23-25, 2003

183. M. Ghovanloo, K. D. Wise, K. Najafi, “Towards a Button-Sized 1024-Site Wireless Cortical Microstimulating Array,” 1st International IEEE/EMBS Conference on Neural Engineering (NE 2003), pp. 138-141, Capri, Italy, March 2003

184. M. Ghovanloo, K. Najafi, “A High Data-Rate Frequency Shift keying Demodulator Chip for the Wireless Biomedical Implants,” Proceedings, IEEE International Symposium on Circuits and Systems (ISCAS 2003), Vol. 5, pp. 45-48, Bangkok, Thailand, May 2003.

185. H. Kulah, J. Chae and K. Najafi, “Noise Analysis and Characterization of A Sigma-Delta Capacitive Silicon Microaccelerometer,” IEEE International Conference on Solid State Sensors and Actuators Conference (Transducers 2003), pp. 92-95, Boston MA, June 2003

186. B. Stark and K. Najafi, “An Integrated Process for Post-Packaging Release and Vacuum Sealing of Electroplated Nickel Packages,” IEEE International Conference on Solid State Sensors and Actuators Conference (Transducers 2003), pp. 1911-1914, Boston MA, June 2003

187. C. Zhang, L. Bernal, P. Washabaugh, K. Najafi, “Micro Combustion-Thermionic Power Generation: Feasibility, Design and Initial Results,” IEEE International Conference on Solid State Sensors and Actuators Conference (Transducers 2003), Boston MA, June 2003

188. Asli B. Ucok, J. Giachino, and K. Najafi, “Compact, Modular Assembly and Packaging of Multi-Substrate Microsystems” IEEE International Conference on Solid State Sensors and Actuators Conference (Transducers 2003), pp. 1877-1878, Boston MA, June 2003

189. G. O’Brien, D. Monk, and K. Najafi, “Angular Accelerometer with Dual Anchor Support,” IEEE International Conference on Solid State Sensors and Actuators Conference (Transducers 2003),pp. 1371-1374, Boston MA, June 2003

190. J. Chae, H. Kulah and K. Najafi, “A Monolithic Three-Axis Silicon Capacitive Accelerometer with Micro-G Resolution,”IEEE International Conference on Solid State Sensors and Actuators Conference (Transducers 2003), pp. 81-84, Boston MA, June 2003

191. H. Kim, K. Najafi, P. Washabaugh, and L. Bernal, “Large-Deflection Out-of-Plane Electrostatic Buckled-Electrode Actuators,” IEEE International Conference on Solid State Sensors and Actuators Conference (Transducers 2003), pp. 794-797, Boston MA, June 2003

192. H. Kim and K, Najafi, “Wafer Bonding Using Parylene and Wafer-Level Transfer of Free-Standing Parylene Membranes,” IEEE International Conference on Solid State Sensors and Actuators Conference (Transducers 2003), pp. 790-793, Boston MA, June 2003

193. Amir M. Sodagar, and Khalil Najafi, “A Multi-Output Supply-Independent Voltage Reference in Standard CMOS Process for Telemetry-Powering Applications,” Proceedings of the IEEE Int. Symposium on Signals, Circuits and Systems, Volume: 2, pp. 493 –496, July 10-11, 2003

194. M. Ghovanloo, and K. Najafi, “A Small Size Large Voltage Compliance Programmable Current Source for Biomedical Implantable Microstimulators,” 25th Annual International Conference of the IEEE Engineering In Medicine And Biology Society, pp. 1979-1982, Cancun, Mexico, September 2003

195. S. Nikles, D.S. Pellinen, J. Kitagawa, D. Kipke, RoM. Bradley, and K. Najafi, “Long Term In Vitro Monitoring of Polyimide Microprobe Electrical Properties,” Proceedings, 25th Annual International Conference of the IEEE Engineering In Medicine And Biology Society, pp. 3340-3343, Cancun, Mexico, September 2003

196. Khalil Najafi, Junseok Chae, Haluk Kulah and Guohong He, “Micromachined Silicon Accelerometers And Gyroscopes,” Invited Paper, IROS - IEEE International Robotics and Systems Conference, Las Vegas, October 27-31, 2003

197. A. Astle, L.P. Bernal, P. Washabaugh, H. Kim and K. Najafi, “Dynamic Modeling And Design Of A High Frequency Micro Vacuum Pump,” 2003 ASME International Mechanical Engineering Congress & Exposition Washington, DC, IMECE 2003-41493, November 15-21, 2003

198. C. Zhang, K. Najafi, L.P. Bernal and P. Washabaugh, “Mechanical And Thermal Design Of A Combustion-Based Thermionic Micro Power Generator,” 2003 ASME International Mechanical Engineering Congress & Exposition, Washington, DC, IMECE 2003-41531, November 15-21, 2003

199. A.B. Ucok, J. Giachino, and K. Najafi, “A High-Density Flexible Connector Array For Multi-Substrate Packages,” 2003 ASME International Mechanical Engineering Congress & Exposition, Washington, DC, IMECE2003-41562, November 15-21, 2003

200. B. H. Stark and K. Najafi, "A Mold and Transfer Technique for Lead-Free Fluxless Soldering and Application to Wafer-Level Low-Temperature Thin-Film Packages," Proceedings of the 17th IEEE International Conference on Microelectromechanical Systems (MEMS '04), pp. 16-19, Maastricht, The Netherlands, January 2004

201. H. Kulah and K. Najafi, “An Electromagnetic Micro Power Generator for Low-Frequency Environmental Vibrations,” Proceedings of the 17th IEEE International Conference on Microelectromechanical Systems (MEMS '04, pp. 237-240, Maastricht, Netherlands, January 2004

202. J. Chae, B.H. Stark, and K. Najafi, “A Micromachined Pirani Gauge with Dual Heat Sinks,” Proceedings of the 17th IEEE International Conference on Microelectromechanical Systems (MEMS '04, pp. 532-535, Maastricht, Netherlands, January 2004

203. M. Ghovanloo and K. Najafi, “A Modular 32-site Wireless Neural Stimulation Microsystem,” Technical Digest, IEEE Int. Solid-State Circuits Conference, pp. 226-227, San Francisco, CA, Feb. 2004

204. K. D. Wise, K. Najafi, R. Sacks, and E. T. Zellers, “A Wireless Integrated Microsystem for Environmental Monitoring,” Invited Technology Directions Paper, Technical Digest, IEEE Int. Solid-State Circuits Conference, pp. 434-435, San Francisco, CA, Feb. 2004

205. H. S. Kim, A. B. Ucok, and K. Najafi, "Large deflection stacked multi-electrode electrostatic Actuator," Technical Digest, Solid State Sensor, Actuator and Microsystems Workshop (Hilton Head 2004), pp. 340-343, Hilton Head Island, South Carolina, June 2004

206. H. Yu, R. Olsson, K.D. Wise, and K. Najafi, "A wireless microsystem for multichannel neural recording microprobes", Technical Digest, Solid State Sensor, Actuator and Microsystems Workshop (Hilton Head 2004), Hilton Head Island, South Carolina, June 2004

207. Asli B. Ucok, Joseph M. Giachino, and Khalil Najafi, “The WIMS Cube: A Microsystem Package With Actuated Flexible Connections And Re-Workable Assembly,” Technical Digest, Solid State Sensor, Actuator and Microsystems Workshop (Hilton Head 2004), pp. 117-120, Hilton Head Island, South Carolina, June 2004

208. E. T. Zellers, W. H. Steinecker, G. R. Lambertus, M. Agah, C.-J. Lu, H. K. L. Chan, J. A. Potkay, M.C. Oborny, J. M. Nichols, A. Astle, H. S. Kim, M. P. Rowe, J. Kim, L. W. da Silva, J. Zheng, J. J. Whiting, R. D. Sacks, S. W. Pang, M. Kaviany, P. L. Bergstrom, A. J. Matzger, Ç. Kurdak, L. P. Bernal, K. Najafi, K. D. Wise, “A Versatile MEMS Gas Chromatograph For Determinations Of Environmental Vapor Mixtures,” Invited Paper and Talk, Technical Digest, Solid State Sensor, Actuator and Microsystems Workshop (Hilton Head 2004), pp. 61-66, Hilton Head Island, South Carolina, June 2004

209. K. King, S.W. Yoon, N.C. Perkins, and K. Najafi, “The Dynamics of the Golf Swing as Measured by Strapdown Inertial Sensors,” Proceedings 5th International Conference on the Engineering of Sport, vol. 2, pp. 276-282, (Eds. Hubbard, Mehta, Pallis), Sep. 2004

210. P. Mohseni, and K. Najafi, “Wireless Multichannel Biopotential Recording Using an Integrated FM Telemetry Circuit,” 26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBS), San Francisco, CA., Sept. 1-4, 2004

211. M. Ghovanloo, K.J. Otto, D.R. Kipke, and K. Najafi, “In Vitro and In Vivo Testing of a Wireless Multichannel Stimulating Telemetry Microsystem,” 26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBS), pp. 4294-4297, San Francisco, CA., Sept. 1-4, 2004

212. K. Najafi, and M. Ghovanloo, “A Multichannel Monolithic Wireless Microstimulator,” 26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBS), pp. 4197-4200, San Francisco, CA., Sept. 1-4, 2004

213. N. Yazdi, H. Kulah, and K. Najafi, “Precision Readout Circuits for Capacitive Microaccelerometers", Third IEEE International Conference on Sensors, pp. 28-31, Vienna, Austria, October 24-27, 2004

214. S. A. Nikles, S. Bledsoe, R. M. Bradley, and K. Najafi, "A 32-Channel Active High-Density Connector for Biomedical Applications,” Proceedings of the IEEE Micro Electro Mechanical Systems (MEMS), pp. 580-583, Miami, Florida Jan. 2005

215. A.B. Ucok, J. Giachino, and K. Najafi, “Modular Assembly/Packaging Of Multi-Substrate Microsystems  (WIMS Cube) Using Thermo-Magnetically Actuated Cables,” Proceedings of the IEEE Micro Electro Mechanical Systems (MEMS), pp. 536-539, Miami, Florida Jan. 2005

216. S. Lee, J. Chae, S. Yoon, N. Yazdi, and K. Najafi, "Low-power Thermal Isolation for Environmentally Resistant Microinstruments", Proceedings of the IEEE Micro Electro Mechanical Systems (MEMS), pp. 532-535, Miami, USA, Jan. 2005

217. W.C. Welch III and K. Najafi, "Transfer of Metal MEMS Packages Using a Wafer-Level Solder Sacrificial Layer," Proceedings, 18th IEEE International Conference on Micro Electro Mechanical Systems (MEMS), pp. 584-587, Miami, USA, January 2005

218. J. Chae, J. Giachino, and K. Najafi, “Wafer-level Vacuum Package with Vertical Feedthroughs,” Proceedings, 18th IEEE International Conference on Micro Electro Mechanical Systems (MEMS), pp. 548-551, Miami, USA, January 2005

219. J.S. Mitchell, G.R. Lahiji and K. Najafi, "An Improved Performance Poly Si Pirani Vacuum Gauge Using Heat Distributing Structural Supports," Proceedings, 18th IEEE International Conference on Micro Electro Mechanical Systems (MEMS), pp. 291-294, Miami, USA, January 2005

220. B.H. Stark, J. Chae, A. Kuo, A. Oliver, and K. Najafi, “A High-Performance Surface-Micromachined Pirani Gauge in SUMMIT V™,” Proceedings, 18th IEEE International Conference on Micro Electro Mechanical Systems (MEMS), pp.295-298, Miami, USA, January 2005

221. P. Mohseni and K. Najafi, "A Battery-Powered 8-channel Wireless FM IC for Biopotential Recording Applications," Technical Digest, IEEE Int. Solid-State Circuits Conference (ISSCC), pp. 560-561, San Francisco, CA, February 6-10, 2005

222. M. Ghovanloo and K. Najafi, “A Tri-state FSK Demodulator for Asynchronous Timing of High-rate Stimulation Pulses in Wireless Implantable Microstimulators,” Proceedings, 2nd Intl. IEEE/EMBS Conf. on Neural Engineering, pp. 116-119, Mar. 2005

223. H. Kulah, and K. Najafi, “An Electromagnetic Micro Power Generator for Low-Frequency Environmental Vibrations,” Paper #05MV-35, 2005 SAE World Congress, Detroit, Michigan, April 11-15, 2005

224. H. Kulah, J. Chae, and K. Najafi, “Micromachined Accelerometers for Inertial Navigation Applications,” Paper #05MV-36, 2005 SAE World Congress, Detroit, Michigan, April 11-15, 2005

225. M. Ghovanloo, and K. Najafi, “A Three-Dimensional Microassembly Structure for Micromachined Planar Microelectrode Arrays,” 3rd Annual IEEE EMBS Special Topic Conference on Microtechnologies in Medicine and Biology, pp. 112-115, Oahu, Hawaii, May 2005

226. M. Ghovanloo and K. Najafi, "A tri-state FSK demodulator for asynchronous timing of high-rate stimulation pulses in wireless implantable microstimulators," Proc. 2nd Intl. IEEE/EMBS Conf. on Neural Engineering, pp. 116-119, Mar. 2005

227. S.W. Yoon, N. Yazdi, N.C. Perkins, and K. Najafi, "Novel Integrated Shock Protection for MEMS", Technical Digest, IEEE Int. Conference on Solid-State Sensors, Actuators, and Microsystems (TRANSDUCERS 2005), Seoul, Korea, June 2005

228. W.C. Welch III, J. Chae, S. Lee, and K. Najafi, “Transient Liquid Phase (TLP) Bonding for MEMS Packaging Applications,” Technical Digest, IEEE Int. Conference on Solid-State Sensors, Actuators, and Microsystems (TRANSDUCERS 2005), Seoul, Korea, June 2005

229. J.S. Mitchell, G.R. Lahiji and K. Najafi, "Encapsulation of vacuum sensors on a wafer level package using a gold-silicon eutectic," Technical Digest, IEEE Int. Conference on Solid-State Sensors, Actuators, and Microsystems (Transducers ‘05), Seoul, Korea, June 2005

230. H. Kim, and K. Najafi, “Characterization of Parylene-assisted wafer bonding: Long-term stability and influence of process chemicals,” Technical Digest, 13th International Conference on Solid-State Sensors, Actuators, and Microsystems (Transducers ’05), pp. 2015-2018, Seoul, Korea, June, 2005

231. W.C. Welch III, M. Dokmeci, N. Yazdi, and K. Najafi, “A Flux-Free Pb-Sn Solder Bonding Technology for Wafer-Level Chip-Scale Vacuum Packaging,” Proceedings,ASME/Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems (InterPack05), San Francisco, CA, July 2005

232. J.S. Mitchell, G.R. Lahiji and K. Najafi, "Reliability and Characterization of Micro-Packages in a Wafer Level Au-Si Eutectic Vacuum Bonding Process," Proceedings,ASME/Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems (InterPack05), San Francisco, CA, July 2005

233. A. Astle, L.P. Bernal, H. Kim, K. Najafi, P.D. Washabaugh, C. Morrison, “Theoretical and Experimental Performance of a High Frequency Micro Pump,” 2004 ASME International Mechanical Engineering Congress & Exposition, Paper Number: IMECE2005-81626, Orlando, Fl., Nov. 2005

234. H. Kim, K. Najafi, A. Astle, L. Bernal, and P. Washabaugh “Fabrication And Performance Of A Dual-Electrode Electrostatic Peristaltic Gas Micropump,” Proceedings, The Ninth International Conference on Miniaturized Chemical and Biochemical Analysis Systems (MicroTAS 2005), pp. 1173-1176, Boston, Massachusetts, USA, October, 2005

235. R. Panday, X.A. Fu, S. Rajgopal, T. Lisby, S.A. Nikles, K. Najafi, and M. Mehregany, “Mechanical Testing of Flexible Silicon Carbide Interconnect Ribbons,” 2005 International Conference on Silicon Carbide and Related Materials, Pittsburg, USA, Sept. 2005

236. H. Kim, A. Astle, K. Najafi, L. Bernal, P. Washabaugh, and F. Cheng, "Bi-directional electrostatic microspeaker with two large-deflection flexible membranes actuated by single/dual electrodes", in Proc. 4th IEEE Conf. on Sensors (Sensors '05), Irvine, CA, Oct. 31-Nov. 3, 2005


237. S. Yoon, N. Yazdi, J. Chae, N. Perkins, and K. Najafi, “Shock Protection Using Integrated Nonlinear Spring Shock Stops,” Proceedings, 19th IEEE International Conference on Micro Electro Mechanical Systems (MEMS), pp. 702-705, Istanbul, Turkey, January 2006


238. S-H Lee, J. Chae, N. Yazdi, and K. Najafi, “Micro-Brush Press-On Contact: A New Technique For Room Temperature Electrical And Mechanical Attachment,” Proceedings, 19th IEEE International Conference on Micro Electro Mechanical Systems (MEMS), pp. 342-345, Istanbul, Turkey, January 2006


239. J.S. Mitchell, G.R. Lahiji, and K. Najafi, “Au-Si Eutectic For Wafer Bonding and Wafer-Level Vacuum Packaging,” Book of Abstracts, 2nd Int. Workshop on Wafer Bonding for MEMS Technologies, pp. 63-64, Halle, Germany, Apr. 2006


240. H. Kim, A.A. Astle, K. Najafi, L.P. Bernal, and P.D. Washabaugh, “Integrated Peristaltic 18-Stage Electrostatic Gas Micro Pump With Active Microvalves,” Tech. Digest, Hilton Head Solid-State Sensor, Actuator, and Microsystems Workshop, pp. 292-295, Hilton Head Island, SC, June 2006


241. T. Galchev, W.C. Welch III, and K. Najafi, “Silicon-On-Silicon (SOS): A New CMOS Compatible Low-Temperature MEMS Process Using Plasma Activated Fusion Bonding,” Tech. Digest, Hilton Head Solid-State Sensor, Actuator, and Microsystems Workshop, pp. 100-101, Hilton Head Island, SC, June 2006


242. H. Kim, A.H. Jauregui, C. Morrison, K. Najafi, L.P. Bernal, and P.D. Washabaugh, “Low Power Electrostatic Helmholtz-Resonance Microjet Generator For Propulsion And Cooling,” Tech. Digest, Hilton Head Solid-State Sensor, Actuator, and Microsystems Workshop, pp. 296-299, Hilton Head Island, SC, June 2006


243. A.B. Ucok, J.M. Giachino, and K. Najafi, “Testing And Assembly Of WIMS Cubes Containing Passive And Active Integrated Cables,” Tech. Digest, Hilton Head Solid-State Sensor, Actuator, and Microsystems Workshop, pp. 400-403, Hilton Head Island, SC, June 2006


244. S.W. Yoon, S. Lee, N.C. Perkins, and K. Najafi, “Shock Protection Using Soft Coatings As Shock Stops,” Tech. Digest, Hilton Head Solid-State Sensor, Actuator, and Microsystems Workshop, pp. 396-399, Hilton Head Island, SC, June 2006


245. J.S. Mitchell, and K. Najafi, “Backside Resistive Localized Heating For Low Temperature Wafer-Level Bonding And Packaging,” Tech. Digest, Hilton Head Solid-State Sensor, Actuator, and Microsystems Workshop, pp. 352-355, Hilton Head Island, SC, June 2006


246. J.S. Mitchell, G.R. Lahiji, and K. Najafi, “Long-Term Reliability, Burn-In And Analysis Of Outgassing In Au-Si Eutectic Wafer-Level Vacuum Packages,” Tech. Digest, Hilton Head Solid-State Sensor, Actuator, and Microsystems Workshop, pp. 376-379, Hilton Head Island, SC, June 2006


247. G. J. O’Brien, D. J. Monk And K. Najafi, “SOI MEMS Process Insensitive To Sacrificial Oxide Etch Induced Substrate Anchor Variation With Selectable Substrate Isolation And Low Resistance Substrate Contact,” Tech. Digest, Hilton Head Solid-State Sensor, Actuator, and Microsystems Workshop, pp. 47-50, Hilton Head Island, SC, June 2006


248. K. Najafi, and M. Maharbiz, “What Should A First College Course On Mems Be?” Educational Poster Digest, Hilton Head Solid-State Sensor, Actuator, and Microsystems Workshop, pp. 55-58, Hilton Head Island, SC, June 2006


249. L. C. McAfee, K. Najafi, Y.B. Gianchandani, K. D. Wise, and M. M. Maharbiz, D.M. Aslam, P.L. Bergstrom, C.R. Friedrich, “A MEMS/Microsystem Curriculum With International Dissemination,” Digest of Educational Posters, Hilton Head Solid-State Sensor, Actuator, and Microsystems Workshop, pp. 1-6, Hilton Head Island, SC, June 2006


250. L. C. McAfee, K. Najafi, Y.B. Gianchandani, K. D. Wise, and M. M. Maharbiz, D.M. Aslam, P.L. Bergstrom, C.R. Friedrich, “MEMS and Microsystem Courses with National and International Dissemination,” American Society for Engineering Education, 2006 ASEE Annual Conference and Exposition


251. A. M. Sodagar, K. Najafi, “Wireless Interfaces for Implantable Biomedical Microsystems,” 49th IEEE International Midwest Symposium on Circuits and Systems (MWSCAS’06), Puerto Rico, Aug. 6-9, 2006


252. A.M. Sodagar, M. Ghovanloo, K. Najafi, and K.D. Wise, “Fully-Integrated CMOS Power Regulator for Telemetry-Powered Implantable Biomedical Microsystems,” IEEE Custom Integrated Circuits Conference, San Jose, California, Sept. 10-13, 2006


253. A. M. Sodagar, K. D. Wise, K. Najafi, “A Neural Signal Processor for an Implantable Multi-Channel Cortical Recording Microsystem,” 28th IEEE International Engineering in Medicine and Biology Conference (EMBC’06), New York City, Aug. 30- Sept. 3, 2006


254. A. Sodagar, K.D. Wise, and K. Najafi, “Generic Controller Dedicated to Telemetry-Controlled Microsystems,” 28th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, New York, Sept., 2006


255. P. Mohseni, and K. Najafi, “A 1-MHz, 5-kb/s Wireless Command Receiver for Electronic Site Selection in Multichannel Neural Biopotential Recording, 28th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, New York, Sept., 2006


256. H. Kim, W. Steinecker, G. Lambertus, A. Astle, K. Najafi, E. Zellers, L. Bernal, and K. Wise, “Integrated high-pressure 4-stage micro gas pump for high-speed micro gas chromatography”, in Proc. 10th Int. Conf. on Miniaturized Systems for Chemistry and Life Sciences (µTAS ’06), pp. 1037-1039, Tokyo, Japan, Nov. 5-9, 2006


257. H. Kim, A. Astle, L. Bernal, K. Najafi, and P. Washabaugh, “Directional pumping performance of an electrostatic checkerboard microvalve”, in Proc. 2006 ASME Int. Mechanical Engineering Congress & Exposition (ASME ’06), IMECE 2006-16211, Chicago, IL, Nov. 5-10, 2006


258. A. M. Sodagar, K. D. Wise, K. Najafi, “Fully-Integrated Mixed-Signal Neural Processor for Implantable Multi-Channel Cortical Recording,” 2006 IEEE Biomedical Circuits and Systems Conference (BioCAS’06), London, U.K., Nov. 2006


259. A. M. Sodagar, K. D. Wise, K. Najafi, “Wireless Interface Chip for Power and Bidirectional Data Telemetry Dedicated to a Cochlear Implantable Microsystem,” 2006 IEEE Biomedical Circuits and Systems Conference (BioCAS’06), London, U.K., Nov. 2006


260. S. Lee, J. Cho, and K. Najafi, "Fabrication of Vertical Comb Electrodes Using Selective Anodic Bonding," in Proceedings of IEEE 20th Int. Conf. Micro Electro-Mechanical Systems Workshop (MEMS 2007), pp. 349-352, Kobe, Japan, Jan. 2007


261. H. Kim, A. Astle, K. Najafi, L. Bernal, and P. Washabaugh, “A fully integrated high-efficiency peristaltic 18-stage gas micropump with active microvalves”, in Proc. 20th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS ‘07), pp. 131-134, Kobe, Japan, Jan. 2007


262. H. Kim, A. Jaregui, C. Morrison, K. Najafi, L. Bernal, and P. Washabaugh, “Low-power electrostatic microthruster for propulsion based on Helmholtz-resonance”, in Proc. 20th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS ‘07), pp. 127-130, Kobe, Japan, Jan. 2007

263. T. Galchev, W. C. Welch III, and K. Najafi,  "Low-Temperature MEMS Process Using Plasma Activated Silicon-On-Silicon (SOS) Bonding" in Proc. 20th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS ‘07), pp. 309-312, Kobe, Japan, Jan. 2007


264. J.S. Mitchell and K. Najafi, "Localized Back-Side Heating for Low -Temperature Wafer-Level Bonding," in Proc. 20th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS ‘07), pp. 377-380, Kobe, Japan, Jan. 2007


265. K. Najafi, “Micromachined Gas Chromatography Microsystem for Complex Gas Analysis,” Invited Talk, DARPA Microsystems Technologies Office Symposium, San Jose, CA, March 2007


266. A.M. Sodagar, G. E. Perlin, Y. Yao, K. Najafi, K. D. Wise, “Chronic Neural Recording with a 64-Channel Cortical Microsystem,” Proceedings2007 IEEE EMBS Conference on Neural Engineering, pp. 402-405, Hawaii, USA, May 2007


267. E.T. Zellers, S. Reidy, R.A. Veeneman, R. Gordenker, W.H. Steinecker, G.R. Lambertus, H. Kim, J.A. Potkay, M.P. Rowe, Q. Zhong,C. Avery, H.K. L. Chan, R.D. Sacks, K. Najafi, K.D. Wise, “An Integrated Micro-Analytical System For Complex Vapor Mixtures,” Invited Paper, Proceedings of The Int. Conf. on Solid-State Sensors, Actuators, and Microsystems, Transducers '07, Lyon, France, June 10-14, 2007


268. A.M. Sodagar, G. E. Perlin, Y. Yao, K. D. Wise, K. Najafi, “An Implantable Microsystem for Wireless Multi-Channel Cortical Recording,” Proc.,2007 IEEE International Conference on Solid-State Sensors, Actuators, and Microsystems (Transducers’07), Lyon, France, June 2007


269. W. C. Welch, K. Najafi, “Nickel-Tin Transient Liquid Phase (TLP) Wafer BondingFor MEMS Vacuum Packaging,” Proc.,2007 IEEE International Conference on Solid-State Sensors, Actuators, and Microsystems (Transducers’07), Lyon, France, June 2007


270. S-H. Lee, S.W. Lee, and K. Najafi, “A Generic Environment-Resistant Packaging Technology For MEMS,” Proc.,IEEE International Conference on Solid-State Sensors, Actuators, and Microsystems (Transducers’07), Lyon, France, June 2007


271. H. Kim, William H. Steinecker, S. Reidy, Gordon R. Lambertus, A.A. Astle
K. Najafi, Edward T. Zellers, L.P. Bernal, P.D. Washabaugh, and K.D. Wise, “A Micropump-Driven High-Speed MEMS Gas Chromatography System,” Proc.,2007 IEEE International Conf. on Solid-State Sensors, Actuators, & Microsystems (Transducers’07), Lyon, France, June 2007


272. J.S. Mitchell, J.M. Giachino and K. Najafi, ‘Wafer Level Vacuum/Hermetic Packaging of MEMS Devices,” 2007 Sensors Expo and Conference, Illinois, June 2007


273. K. Najafi, “Packaging of Implantable Microsystems,” Proceedings, IEEE Int. Sensors Conference, Atlanta, Georgia, October 2007





  Other Conference or Symposium Presentations:

1. K.D. Wise, K. Najafi, "A Micromachined Integrated Sensor with On-Chip Self-Test Capability," Invited Paper, Digest, Solid-State Sensors Conf., pp. 12-16, Hilton Head, SC, June 1984

2. K. Najafi, K.D. Wise, "An Integrated Multielectrode Microprobe for Intracortical Recording," Invited Talk, BMES 1985 Annual Meeting, Los Angeles, April 1985

3. K. Najafi, "Silicon Micromachining: Key to Silicon Integrated Sensors," Symposium on Sensors and Technology, Case Western Reserve University, Cleveland, Oh., April 1987

4. K. Najafi, "Solid-State Integrated Sensors and Their Application in Instrumentation and Measurement Systems," Symp. for Innovation in Measurement Science, Instrument Society of America, Geneva, New York, August 1987

5. K. Najafi, "Organic and Inorganic Coatings for Protection of Integrated Circuit Electrodes," 18th Annual Neural Prosthesis Workshop, National Institutes of Health, Bethesda, MD., October 28-30, 1987

6. K. Najafi, "Control and Measurement with Integrated Solid-State Sensors," Fourth Regional Symp., Int. Society for Hybrid Microelectronics, Dallas, April 11-12, 1988

7. K. Najafi, "Implantable Sensors," Symp. for Innovation in Measurement Science, Instrument Society of America, Geneva, New York, August 1988

8. J.F. Hetke, D.J. Anderson, D.A. Evans, J.A. Wiler, K. Najafi, R.A. Altschuler, "Tissue Volume Selectivity in the Cochlear Nucleus to Electrical Stimulation with Multichannel Silicon Substrate Arrays," Association for Res. in Otolaryngology, Midwinter Meeting, Florida, February 7, 1989

9. K. Najafi, "Fabrication of Microstructures and Integrated Sensors Using a Dissolved-Wafer Silicon-On-Insulator Process," General Motors Research Labs Solid-State Sensor Workshop, February 10, 1989

10. K. Najafi, "Integrated Sensors in Biological Environments," Invited Paper, Book of Abstracts,  5th Int. Conf. on Solid-State Sensors and Actuators, Transducers '89, pp. 295-296, Montreux, Switzerland, June 1989

11. K.D. Wise, K. Najafi, and W.G. Baer, "A Silicon Thermopile-Based Sensor for Non-Contact Thermal Imaging in Industrial process Control," Temperature Measurement Workshop, Santa Fe, CA., February 20, 1990

12. K. Najafi, "A Dissolved-Wafer Silicon-On-Insulator Technology and Its Applications to Integrated Sensors and Actuators," ASME Design Engineering Show and Conference, Anaheim, CA., September 1990

13. J.F. Hetke, D.J. Anderson, J.A. Wiler, K. Najafi, K.D. Wise, "An Implantable Multichannel Silicon-Substrate Array for Chronic Stimulation of the Central Nervous System," Midwinter Meeting, Association for Research in Otolaryngology, St. Petersburg, FL., February 1991

14. K. Najafi, "Solid-State Sensor and Actuator Research at the University of Michigan," Meeting of the Michigan Chapter of the American Vacuum Society, Ann Arbor, Michigan, February 1991

15. R.M. Bradley, S. Gurkan, B.E. Bradley, K. Najafi, "Regeneration of Rat Glossopharyngeal Nerve Through Sieve Electrodes," AChemS XIII Conf., April 1991

16. K. Najafi, "Solid-State Integrated Sensors, Fundamentals and Applications," Symposium on Electrochemical Science and Technology of the Michigan Chapter of the Electrochemical Society, Warren, Michigan, May 1991

17. R.M. Bradley, R.H. Smoke, T.A. Akin, K. Najafi, "Functional Regeneration of Glossopharyngeal Nerve Through Micromachined Sieve Electrodes," AChemS XIV Conf., April 1992

18. K. Najafi, "Present Advances and Future Needs in Integrated Sensors and Microsystems," National Materials Advisory Board (of the National Research Council) Workshop on Microengineering, Washington D.C., April 30-May 1, 1992

19. K. Najafi, "Integrated Sensors and Microsystems: Communication Links to a Non-Electronic World," Invited Talk, presented at the Eastern Communications Forum, an Educational Meeting Conducted by the National Engineering Consortium, Rye, New York, May 5, 1992

20. K. Najafi, "Packaging and Interconnect Technologies for Solid-State Microsensors," Invited Talk, 181st Meeting of the Electrochemical Society, St. Louis, Missouri, May 19, 1992

21. K. Najafi, "A Review of Solid-State Integrated Microsensors and Their Future Application in Space Systems," Invited Talk, NASA SATWG Sensors and Software Workshop, New Orleans, LA, June 1992

22. K. Najafi, "Silicon Integrated Microsensors," Invited Paper, Proceedings, International Society for Optical Engineering (SPIE) Symposium, OE/FIBERS '92,  Boston, MA, September 1992

23. K. Najafi, "Solid-State Integrated Microsensors," Invited Paper,  124th Meeting of the Acoustical Society of America,  New Orleans, LA, October 31-November 4, 1992

24. K. Najafi, and C.H. Mastrangelo, "Solid-State Microsensors and Smart Structures," Invited Paper, Proceedings, IEEE Ultrasonics, Ferroelectrics, and Frequency Control Symposium,  Baltimore, Maryland, November 1993

25. M.W. Putty, and K. Najafi, "A Micromachined Vibrating Ring Gyroscope," Invited Paper, Technical Digest, Solid-State Sensors and Actuators Workshop,  pp. 213-220, Hilton Head, SC, June 1994

26. K. Najafi, "Integrated Sensing Systems in Closed Loop Neural Prosthesis," Invited Keynote Speaker,European Solid-State Sensors and Actuators Conf., EUROSENSORS, Toulouse, France, September 1994

27. K. Najafi, "Sensor/Circuit Integration in Biomedical Applications," Invited Presentation, European NEXUS Workshop on Sensor/Circuit Integration, Toulouse, France, Sept. 29-30, 1994

28. K. Najafi, "Silicon-Based Electronic Interfaces to Biological Systems," Invited Speaker at the Workshop on "Bio-Mechatronics"  held as part of the 1995 IEEE Int. Conference on Robotics and Automation, Nagoya, Japan, May 22-27, 1995

29. K. Najafi, “Microinstrumentation Systems for Environmental Monitoring,” Invited Paper, Proceedings, Int. Symp. on Micro Systems, Intelligent Materials and Robots,  pp. 142-145, Sendai, Japan, September 1995

30. K.D. Wise, C.H. Mastrangelo, K. Najafi, and Clark T.C. Nguyen,  “Research in Integrated Sensors and Microsystems at the University of Michigan”, Invited Paper, Digest, Sensors Expo, Chicago, September 1995

31. K. Najafi, "Research in Integrated Sensors and Microsystems at the University of Michigan," Invited Speaker, Technical Digest of the IEEJ Seminar on MEMS, MST and Micromachines, Tokyo, Japan, October 1995

32. K. Najafi, “Recent Progress in Micromachining Technology and Applications in Implantable Biomedical Systems,” Invited Lecture, Proceedings, Sixth Int. Symp. on Micro Machine and Human Science, MHS ‘95,  pp.  11-20, Nagoya, Japan, October 1995

33. K. Najafi, "MEMS Research Activities at the University of Michigan," Invited Talk, Technical Digest, IEEJ Seminar on MEMS, MST, and Micromachines, University of Tokyo, Tokyo, Japan, October 2, 1995


34. K. Najafi, "Microinstrumentation Cluster for Environmental Sensing," GE MEMS and Advanced Packaging Workshop, Schenectady, NY, November 28-29, 1995

35. B. Ziaie and K. Najafi, "Biomedical Microdevices: A Micromachining Approach," Invited Paper, Proceedings, 1995 International Semiconductor Device Research Symposium, pp. 401-404, Charlottesville, VA, December 5-8, 1995

36. K. Najafi, “Silicon Micromachining Technologies: Future Needs and Challenges,” Invited Speaker, SPIE, Micromachining & Microfabrication Process Technology II Conference, October 1996

37. K. Najafi, “Integrated Biomedical Microsystems,” Invited Speaker, World Congress on Medical Physics and Biomedical Engineering, Nice, France, September 14-19, 1997

38. K. Najafi, “Research in Wireless Integrated Micro Systems (WIMS) at University of Michigan,” Invited Talk, Sensors Expo, Invited Talk, Detroit, Michigan, September 19-21, 2000

39. Muller, M. O., Bernal, L.P., Chou, T.-K. A, Najafi, K., and Washabaugh, P. D.  2001  “On Propulsion Efficiency And Vortical Structure Of Synthetic Jet Flows.” APS Division Of Fluid Dynamics 54th Annual Meeting, San Diego, Ca, November 18-20, 2001

40. K. Najafi, "MEMS and Microsystems," Plenary Presentation, International Semiconductor Device Research Symposium, Washington DC, December 2001

41. Y. Shimatani, S.A. Nikles, K. Najafi, and R.M. Bradley, “Simultaneous chronic recording from multiple single fibers of the chorda tympani nerve using an implantable sieve electrode array,” Presented at the XXIV annual meeting of the Association for Chemoreception Sciences, Sarasota, FL, April 24-28, 2002

42. K. Najafi, “Power and Integrated Microsystems," Plenary Presentation, SPIE International Symposium on Design, Test, Integration, and Packaging of MEMS and MOEMS, Cannes, France, May 6-8, 2002

43. K. Wise and K. Najafi, “Fully-Implantable Auditory Prostheses: Restoring Hearing to the Profoundly Deaf,” Invited Paper, 2002 IEEE International Electron Devices Meeting (IEDM), pp. 499-502, San Francisco CA, December 2002

44. K. Najafi, “Micropackaging Technologies for Integrated Microsystems: Applications to MEMS and MOEMS,” Invited Plenary Talk, Proceedings of SPIE’s Micromachining and Microfabrication Symposium, pp. 1-19, San Jose, CA, January 27-29, 2003

45. P. Mohseni and K. Najafi, “Bi-directional wireless microsystems for biomedical in vivo recording applications,” SIGDA Ph.D. Forum at 40th Design Automation Conf. (DAC’03), Anaheim, CA, June 3, 2003

46. K. Najafi, J. Chae, H. Kulah and G. He, “Micromachined Silicon Accelerometers And Gyroscopes,” Invited Paper, IROS - IEEE International Robotics and Systems Conference, Las Vegas, October 27-31, 2003

47. K. D. Wise, K. Najafi, R. Sacks, and E. T. Zellers, “A Wireless Integrated Microsystem for Environmental Monitoring,” Invited Technology Directions Paper, Technical Digest, IEEE Int. Solid-State Circuits Conference, pp. 434-435, San Francisco, CA, Feb. 2004

48. E. T. Zellers, W. H. Steinecker, G. R. Lambertus, M. Agah, C.-J. Lu, H. K. L. Chan, J. A. Potkay, M.C. Oborny, J. M. Nichols, A. Astle, H. S. Kim, M. P. Rowe, J. Kim, L. W. da Silva, J. Zheng, J. J. Whiting, R. D. Sacks, S. W. Pang, M. Kaviany, P. L. Bergstrom, A. J. Matzger, Ç. Kurdak, L. P. Bernal, K. Najafi, K. D. Wise, “A Versatile MEMS Gas Chromatograph For Determinations Of Environmental Vapor Mixtures,” Invited Paper and Talk, Technical Digest, Solid State Sensor, Actuator and Microsystems Workshop (Hilton Head 2004), Hilton Head Island, South Carolina, June 2004.

49. K. Najafi, “Packaging of Implantable Microsystems,” IEEE Int. Sensors Conference, Atlanta, Georgia, October 2006

50. P. Mohseni, and K. Najafi, “Single-Chip Wireless Microsystems for Multichannel Neural Biopotential Recording,” 2006 NIH-NINDS Neural Prosthesis Workshop, Bethesda, Maryland, October 2006

51. K. Najafi, “Micromachined Gas Chromatography Microsystem for Complex Gas Analysis,” Invited Talk, DARPA Microsystems Technologies Office Symposium, San Jose, CA, March 2007

52. K. Najafi, Wireless Integrated Microsystems for Environmental Monitoring and Implantable Prostheses,” Canadian Workshop on MEMS, Montreal, Canada, Aug. 13, 2007


  Chapters in Books:

1. K.D. Wise, K. Najafi, "VLSI Sensors in Medicine," in VLSI In Medicine, Norman G. Einspruch and Robert D. Gold, eds., Academic Press, 1988

2. K. Najafi, K.D. Wise, N. Najafi, "Integrated Sensors," Published in "Semiconductor Sensors," Edited by Simon Sze, John Wiley, 1994

3. K. Najafi, "Sensor and Circuit Integration in Biomedical Applications," in Silicon Sensors and Circuits: On-Chip Compatibility, Ed. R.F. Wolffenbuttel, pp. 211-257, Chapman and Hall, 1996

4. K. Najafi, "Micromachined Systems For Neurophysiological Applications," in Handbook of Microlithography, Micromachining and Microfabrication, Volume II: Micromachining and Microfabrication, SPIE, 1997

5. G. K. Fedder, J. Chae, H. Kulah, K. Najafi, T. Denison, J. Kuang, and S. Lewis, “Monolithically Integrated Inertial Sensors,” Chapter in “CMOS MEMS,” Edited by H. Baltes, O. Brand, G.K. Fedder, C. Hierold, J.G. Korvink, and O. Tabata, Volume 2 of a series of books entitled "Advanced Micro- and Nanosystems,” Publisher: Wiley-VCH, 2005


6. M. Ghovanloo, K.D. Wise, and K. Najafi, "Towards a button-sized 1024-site wireless cortical microstimulating array," Neuro-Nano Technology, Artificial Implants, and Neural Prostheses, Book of the1st Intl. IEEE/EMBS Conf. on Neural Engineering, Ed. M. Akay, in press.


7. H. Kim, K. Najafi, and L.P. Bernal, “Gas Micropumps,” chapter in Comprehensive Microsystems, edited by Y. Gianchandani, Hans Zappe, and O. Tabata, Elsevier Publishers


8. K. Najafi, T.J. Harpster, H. Kim, J.S. Mitchell, W.C. Welch III, “Wafer Bonding,” chapter in Comprehensive Microsystems, edited by Y. Gianchandani, Hans Zappe, and O. Tabata, Elsevier Publishers

 

 




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