First Author Publications: "Silicon Micromechanical Resonators for Frequency References", 2007    M. A. Hopcroft    Stanford University, Ph.D. thesis in Mechanical Engineering    Stanford, CA USA "A High-Stability MEMS Frequency Reference", 2007    M. A. Hopcroft, H. K. Lee, B. Kim, R. Melamud, S. Chandorkar, M. Agarwal, C. M. Jha, J. Salvia, G. Bahl, H. Mehta and T. W. Kenny    TRANSDUCERS '07 / Eurosensors XXI, the 14th International Conference on Solid-State Sensors, Actuators and Microsystems    Lyon, France, 10-14 June 2007 "Using the temperature dependence of resonator quality factor as a thermometer", 2007    M. A. Hopcroft, B. Kim, S. Chandorkar, R. Melamud, M. Agarwal, C. M. Jha, G. Bahl, J. Salvia, H. Mehta, H. K. Lee, R. N. Candler and T. W. Kenny    Applied Physics Letters, 91, 1, pp. 013505-3 "Temperature compensation of a MEMS resonator using Quality Factor as a thermometer", 2006    M. A. Hopcroft, M. Agarwal, K. K. Park, B. Kim, C. M. Jha, R. N. Candler, R. Melamud, G. Yama, B. Murmann and T. W. Kenny    MEMS 2006, The 19th IEEE International Conference on Micro Electro Mechanical Systems    Istanbul, Turkey, January 22-26, 2006 "Micromechanical testing of SU-8 cantilevers", 2005    M. A. Hopcroft, T. Kramer, G. Kim, K. Takashima, Y. Higo, D. Moore and J. Brugger    Fatigue & Fracture of Engineering Materials and Structures, 28, 8, pp. 735-742 "Active Temperature Compensation for Micromechanical Resonators", 2004    M. A. Hopcroft, R. Melamud, R. N. Candler, W.-T. Park, B. Kim, G. Yama, A. Partridge, M. Lutz and T. W. Kenny    Hilton Head 2004, the IEEE Solid-State Sensor, Actuator and Microsystems Workshop    Hilton Head, SC USA, June 6-10, 2004 "Micromechanical testing of SU-8 cantilevers", 2003    M. A. Hopcroft, T. Kramer, G. Kim, K. Takashima, Y. Higo, D. Moore and J. Brugger    ATEM'03: Advanced Technology in Experimental Mechanics    Nagoya, Japan, September 10-12, 2003 "MAT-Test: A New Method for Thin-film Materials Characterization", 2002    M. A. Hopcroft    University of Cambridge, MPhil thesis in Engineering    Cambridge, UK Reports and Whitepapers: "What is the Young's Modulus of Silicon?", 2006    Author: M. Hopcroft    Abstract: This report summarizes the appropriate values of Young's modulus for designing mechanical structures in silicon. "Using TSUPREM4 for Piezoresistor Design", 2006    Author: M. Hopcroft    Abstract: This report describes the best practices for using TSUPREM4 to simulate doping silicon to create piezoresistors. Contributing Author Publications: "High resolution microresonator-based digital temperature sensor", 2007    C. M. Jha, G. Bahl, R. Melamud, S. A. Chandorkar, M. A. Hopcroft, B. Kim, M. Agarwal, J. Salvia, H. Mehta and T. W. Kenny    Applied Physics Letters, 91, 7, pp. 074101-3 "CMOS-Compatible Dual-resonator MEMS Temperature Sensor with Milli-degree Accuracy", 2007    C. M. Jha, G. Bahl, R. Melamud, S. Chandorkar, M. A. Hopcroft, B. Kim, M. Agarwal, J. Salvia, H. Mehta and T. W. Kenny    TRANSDUCERS '07 / Eurosensors XXI, the 14th International Conference on Solid-State Sensors, Actuators and Microsystems    Lyon, France, 10-14 June 2007 "Using MEMS to build the device and the Package", 2007    B. Kim, M. A. Hopcroft, C. M. Jha, R. Melamud, S. Chandorkar, M. Agarwal, K.-l. Chen, W.-t. Park, R. N. Candler, G. Yama, A. Partridge, M. Lutz and T. W. Kenny    TRANSDUCERS '07 / Eurosensors XXI, the 14th International Conference on Solid-State Sensors, Actuators and Microsystems    Lyon, France, 10-14 June 2007 "Composite Flexural-mode Resonator with Controllable Turnover Temperature ", 2007    R. Melamud, B. Kim, M. A. Hopcroft, S. Chandorkar, M. Agarwal, C. M. Jha and T. W. Kenny    MEMS 2007, The 20th IEEE International Conference on Micro Electro Mechanical Systems    Kobe, Japan, January 21-25, 2007 "Temperature-compensated high-stability silicon resonators", 2007    R. Melamud, B. Kim, S. A. Chandorkar, M. A. Hopcroft, M. Agarwal, C. M. Jha and T. W. Kenny    Applied Physics Letters, 90, 24, pp. 244107-3 "Frequency stability of wafer-scale film encapsulated silicon based MEMS resonators", 2007    B. Kim, R. N. Candler, M. A. Hopcroft, M. Agarwal, W.-T. Park and T. W. Kenny    Sensors and Actuators A: Physical, 136, 125-131 "Long-Term and Accelerated Life Testing of a Novel Single-Wafer Vacuum Encapsulation for MEMS Resonators", 2006    R. N. Candler, M. A. Hopcroft, B. Kim, W. T. Park, R. Melamud, M. Agarwal, G. Yama, A. Partridge, M. Lutz and T. W. Kenny    Microelectromechanical Systems, Journal of, 15, 6, pp. 1446-1456 "Temperature Dependence of Quality Factor in MEMS Resonators", 2006    B. Kim, C. M. Jha, T. White, R. N. Candler, M. A. Hopcroft, M. Agarwal, K. K. Park, R. Melamud and T. W. Kenny    Micro Electro Mechanical Systems, 2006, 19th IEEE International Conference on (MEMS '06).    Istanbul, Turkey, January 22-26, 2006 "Effects of mechanical vibrations and bias voltage noise on phase noise of MEMS resonator-based oscillators", 2006    M. Agarwal, K. K. Park, M. A. Hopcroft, S. A. Chandorkar, R. N. Candler, B. Kim, R. Melamud, G. Yama, B. Murmann and T. W. Kenny    Micro Electro Mechanical Systems, 2006, 19th IEEE International Conference on (MEMS '06).    Istanbul, Turkey, January 22-26, 2006 "MEMS Resonators: Getting the Packaging Right", 2005    A. Partridge, M. Lutz, B. Kim, M. A. Hopcroft, R. N. Candler, T. W. Kenny, K. Petersen and M. Esashi    SEMICON Japan2005 December 7-9, 2005 "Effects of stress on the temperature coefficient of frequency in double clamped resonators", 2005    R. Melamud, M. A. Hopcroft, C. Jha, B. Kim, S. Chandorkar, R. Candler and T. W. Kenny    Solid-State Sensors, Actuators and Microsystems, 2005. Digest of Technical Papers. TRANSDUCERS '05. The 13th International Conference on    Seoul, SK, June 5-9, 2005 "Frequency stability of wafer-scale encapsulated MEMS resonators", 2005    B. Kim, R. N. Candler, M. A. Hopcroft, M. Agarwal, W.-T. Park and T. W. Kenny    Solid-State Sensors, Actuators and Microsystems, 2005. Digest of Technical Papers. TRANSDUCERS '05. The 13th International Conference on "Hydrogen diffusion and pressure control of encapsulated MEMS resonators", 2005    R. N. Candler, W.-T. Park, M. A. Hopcroft, B. Kim and T. W. Kenny    Solid-State Sensors, Actuators and Microsystems, 2005. Digest of Technical Papers. TRANSDUCERS '05. The 13th International Conference on "Impact of slot location on thermoelastic dissipation in micromechanical resonators", 2005    R. N. Candler, M. A. Hopcroft, C. W. Low, S. Chandorkar, B. Kim, M. Varghese, A. Duwel and T. W. Kenny    Solid-State Sensors, Actuators and Microsystems, 2005. Digest of Technical Papers. TRANSDUCERS '05. The 13th International Conference on "Non-Linearity Cancellation in MEMS Resonator for Improved Power Handling", 2005    M. Agarwal, K. K. Park, R. N. Candler, M. A. Hopcroft, C. M. Jha, R. Melamud, B. Kim, B. Murmann and T. W. Kenny    IEEE International Electron Devices Meeting    Washington, DC USA, December 5-7, 2005 "Investigation of MEMS Resonator Characteristics During Long-term Operation and Wide Temperature Variation Operation", 2004    B. Kim, R. N. Candler, M. A. Hopcroft, M. Agarwal, W.-T. Park, J. T. Li and T. Kenny    2004 ASME International Mechanical Engineering Congress and RD&D Expo    Anahiem, CA USA, November 13-19, 2004 "Micro-mechanical characterisation for MEMS thin films by bending µ-machined cantilevers", 2004    J. H. He, D. F. Moore, H. Taylor, M. Boutchich, P. Boyle, G. McShane, M. A. Hopcroft and J. K. Luo    Advanced Semiconductor Devices and Microsystems, 2004 (ASDAM 2004), The Fifth International Conference on    Smolenice Castle, Slovakia, October 17-21, 2004 "Reduction in thermoelastic dissipation in micromechanical resonators by disruption of heat transport", 2004    R. N. Candler, M. A. Hopcroft, S. A. Chandorkar, W.-T. Park, G. Yama, K. E. Goodson, M. Varghese, A. E. Duwel, A. Partridge, M. Lutz and T. W. Kenny    Solid-State Sensor, Actuator and Microsystems Workshop, 2004. Technical Digest, IEEE.    Hilton Head, SC USA, June 6-10, 2004 "Characterization of Thin Films for MEMS Optical and Electrical Device Packaging Applications", 2003    D. Moore, J. H. He, P. Boyle and M. A. Hopcroft    Advanced Technology in Experimental Mechanics 2003 (ATEM'03)    Nagoya, Japan, September 10-12, 2003 "MEMS Adhesive Bond Degradation Sensor", 2000    A. Wilson, Z. Sbiaa, M. A. Hopcroft and B. C. Laskowski    SPIE 2000 Smart Materials and MEMS    Melbourne, Australia, 13-15 December, 2000 "Modeling of Thermoelectric Effects in Planar Micromachined Structures Using SPICE", 2000    V. Milanovic, M. A. Hopcroft, C. A. Zincke, M. Gaitan, M. E. Zaghloul and K. S. J. Pister    Thermal Investigations of ICs and Systems (THERMINIC '00)    Budapest, Hungary, September 24-27, 2000 "Optimization of CMOS MEMS Microwave Power Sensors", 1999    V. Milanovic, M. A. Hopcroft, C. Zincke, M. Gaitan and M. E. Zaghloul    IEEE International Symposium on Circuits and System (ISCAS)    Orlando, Florida, May 30 - June 2, 1999 home

First Author Publications Reports and Whitepapers Contributing Author Publications Barry Flanagan, Thinker on Rock, 1997 On display in Nice, France, Summer 2003 home