Bongsang Kim
Doctoral Candidate (Advisor : Thomas
W. Kenny)
Micro Structures
and Sensors Lab.
Mechanical Engineering
Stanford
University
e-mail : bongsang@stanford.edu
address : Kenny Group
attn
: Bongsang Kim
Building
530 Room 101
440
Escondido Mall
Stanford
CA 94305-3030
Research Interests
Long-term
stability and temperature stability of MEMS resonators
Energy
loss mechanisms of micro structures
Waferscale
MEMS encapsulations
Education
Stanford
University, Stanford CA USA
PhD
Candidate in Mechanical Engineering, 2004-2007(expected)
Stanford University,
Stanford CA USA
M.S in
Mechanical Engineering, 2004
Seoul National University,
Seoul Korea
B.S in
Mechanical Design and Production
Engineering, 1998
Work Experience
Agilent
Technologies, Palo Alto CA USA (Jun-Sep 2005)
Technical Intern
Design
of MEMS nano stepper for AFM tip actuator
Simulation
and process development
Hyundai
Mobis, Seoul, Korea (Mar 1998 - Apr 2001)
Technical
Consultant (Sep 1999 -Apr 2002)
Evaluation
and Analysis of Technilogical Level of venture firms interested in investment
Mechanical Engineer (Mar
1998 -Sep 1999)
Design,
construction, operation, and management of municipal waste incinerator plants
Publications
B. Kim, C. M. Jha, R. N. Candler, M. Hopcroft, S. Chandorkar, T. White, M. Agarwal, K. K. Park, R. Melamud, and T. W. Kenny, “Temperature Dependence of Quality Factors in MEMS Resonators,” MEMS’06 will be published [pdf]
M. Hopcroft, M. Agarwal, K. K. Park, B. Kim, C. M. Jha, R. N. Candler, G. Yama, B. Murmann, T. W. Kenny, "Temperature Compensation of a MEMS Resonator Using Quality Factor as a Thermimeter," MEMS'06 will be published [pdf]
M. Agarwal, K. K. Park, M. Hopcroft, S. Chandorkar, R. N. Candler, B. Kim, R. Melamud, G. Yama, B. Murmann, T. W. Kenny, "Effects of Mechanical Vibrations and Bias Voltage Noise on MEMS Resonator Based Oscillators," MEMS'06 will be published [pdf]
M. Agarwal, K. K. Park, R. N. Candler, M. Hopcroft, C. M. Jha, R. Melamud, B. Kim, B. Murmann, T. W. Kenny, "Non-Linearity Cancellation in MEMS Resonators for Improved Power-Handling," IEDM'05 [pdf]
A. Patridge, M. Lutz, B. Kim, M. Hopcroft, R. N. Candler, T. W. Kenny, K Petersen, M Esashi, "MEMS Resonators : Getting the Packaging Right," Semicon Japan 2005 [pdf]
R. N. Candler, A. Duwel, M. Varghese, S. A. Chandorkar, M.Hopcroft, W.-T. Park, B. Kim, G. Yama, A. Partridge, M. Lutz, and T. W. Kenny, "Impact of Geometry on Thermoelastic Dissipation in Micromechanical Resonant Beams," In Review, Journal of Microelectromechanical Systems, 2005 [pdf]
R. N. Candler, M. Hopcroft, B. Kim, W.-T. Park, R. Melamud, M.Agarwal, G. Yama, A. Partridge, M. Lutz, and T. W. Kenny, "Long-Term and Accelerated Life Testing of a Novel Single-Wafer Vacuum Encapsulation of MEMS Resonators," Journal of Microelectromechanical Systems, In Review, 2005 [pdf]
B. Kim, R. N. Candler, M. Hopcroft, M. Agarwal, W.-T Park, and T. W. Kenny, “Frequency Stability of Encapsulated MEMS Resonator,” Sensors and Actuators, will be published. [pdf]
B. Kim, R. N. Candler, M. Hopcroft, M. Agarwal, W.-T. Park, T. W. Kenny, "Frequency Stability of Wafer-Scale Encapsulated MEMS Resonators," Tranducers '05, vol. 2, pp. 1965-1968, 2005. [pdf]
R. Melamud, M. Hopcroft, C.M.Jha, B. Kim, S. Chandorkar, R. Candler, T. W. Kenny, "Effects of Stress on the Temperature Coeeficient of Frequency in Double Clamped Resonators," Tranducers '05, vol. 1, pp. 392-395, 2005. [pdf]
R. N. Candler, M. Hopcroft, C. Low, S. Chandorkar, B. Kim, M. Varghese, A. Duwel, T. W. Kenny, "Impact of Slot Location on Thermoelastic Dissipation in Micromechanical Resonators," Tranducers '05, vol. 1, pp. 597-600, 2005. [pdf]
R. N. Candler, W.-T. Park, M. Hopcroft, B. Kim, T. W. Kenny, "Hydrogen Diffusion and Pressure Control of Encapsulated MEMS Resonators," Tranducers '05, vol. 1, pp. 920-923, 2005. [pdf]
B. Kim, R. N. Candler, M. Hopcroft, M. Agarwal, W.-T Park, J. Li, and T. W. Kenny, “Investigation of MEMS Resonators Characteristics for Long-Term Operation and Wide Temperature Variation Condition,” 2004 ASME International Mechanical Engineering Congress and RD&D Expo, 2004. [pdf]
M. Hopcroft, R. Melamud, R. N. Candler, W.-T. Park, B. Kim, G. Yama, A. Patridge, M. Lutz, and T. W. Kenny, “Active Temperature Compensation for Micromachined Resonator,” IEEE Solid-State Sensor and Actuator Workshop 2004, Hilton Head, South Carolina, June 6-12, 2004 [pdf]
B. Kim, R. N. Candler, M. Agarwal, W.-T.Park,
and T. W. Kenny, “Long-term Measurement of Quality Factor for MEMS Resonators –
Pressure and Leak within Encapsulation,” presented Open Poster, IEEE Solid-State Sensor and Actuator Workshop 2004,
Hilton Head, South Carolina, June 6-12, 2004
Invited Talk
"MEMS
Resonators : Next Generation Frequency References", Staford
University DIMSUM of Mechanical Engineering, Dec 8, 2005
Personal Pictures
Wife
- Myungshin Shayna Kim
Mom
and Dad
Jihyun
and Bongjun
In-Laws
Tom Kenny and Kenny
Lab
High
School Friends
Undergraduate
Friends
GMR
Hyundai Mobis