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Jan. 2010-present Chip-Scale Mechanical Spectrum Analyzers (CSSA), DARPA, USA
Graduate Student Researcher (GSR), Berkeley Sensor and Actuator Center, University of California at Berkeley
- High-Q AlN/3C-SiC micromechanical electroacoustic resonators using high-order Lamb wave modes.
- The third-order quasi-symmetric (QS3) mode exhibits a low impedance of 91 ohm and a high Q of 5510 at 2.92 GHz, showing the highest fxQ product, 1.61x1013 Hz, among suspended piezoelectric thin film resonators to date.
Aug. 2007-Aug. 2009 Micro/Nano Scaling-Induced Physics (MiNaSIP), DARPA, USA
Graduate Student Researcher (GSR), Berkeley Sensor and Actuator Center, University of California at Berkeley
- Thermal compensation of aluminum nitride Lamb wave resonators using one layer of silicon dioxide.
- The AlN/SiO2 Lamb wave resonator shows a zero 1st-order TCF and a 2nd-order TCF of -21.5 ppb/ºC2 at 18 ºC.
- Demonstrate AlN Lamb wave resonators with zero 1st-order TCFs and small 2nd-order TCFs at 214 ºC, 430 ºC, and 542 ºC, showing potential frequency control and sensing applications at high temperatures.
Jan. 2002-Oct. 2003 Development of IF Wide-Band SAW Filters, NSC, Taiwan ROC
Graduate Student Research Assistant, Institute of Applied Mechanics, National Taiwan University

- Designed, fabricated, and measured intermediate frequency wideband (20-50%) SAW filters at 60 MHz on Y-Z LiNbO3.
Aug. 2001-Jul. 2003 Analysis and Fabrication of Layered SAW Filters, NSC, Taiwan ROC
Graduate Student Research Assistant, Institute of Applied Mechanics, National Taiwan University

- Developed novel SAW filters using slanted finger interdigital transducers on layered AlN/Si structures for ultra-wide band applications at high frequencies.
May 2001-May 2003 Linear Surface-Acoustic-Wave Motors, ITRI, Taiwan ROC
Graduate Student Research Assistant, Institute of Applied Mechanics, National Taiwan University

- Designed, fabricated, and measured the performance of the linear SAW motor.
Jul. 2000-Mar. 2001 A Novel Micro-Scale Recombining Technique Using PDMS
Undergraduate Student Research Assistant, Institute of Applied Mechanics, National Taiwan University

- Tested the nature properties of PDMS, and reproduced micro patterns using PDMS.
Summer 2012 MEMS Advanced Development Engineer (Intern)
Analog Devices Inc., San Jose, USA
- Development of the next-generation MEMS inertial sensors. (Supervisor: Dr. Houri Johari-Galle)

Fall 2009

Graduate Student Instructor (GSI)
Department of Electrical Engineering and Computer Sciences, University of California at Berkeley, CA, USA
- EE C245 / ME C218: Introduction to MEMS Design (Instructor: Professor Clark T.-C. Nguyen).

Sep. 2005-Jul. 2007

Teaching Assistant
Department of Engineering Science and Ocean Engineering, National Taiwan University, Taipei, Taiwan ROC

 

- Courses: Basic Engineering Experiments, Electronics Lab, Micro-Electro-Mechanical Systems, Mechanics of Materials,
Mechanics of Vibration, Structural Mechanics, Dynamics, Statics, Calculus, and Oceanography.

Jan. 2004-May 2005

MEMS R&D Engineer

 

Advanced Technology Center, BenQ Corporation, Hsinchu, Taiwan ROC
Project: "Development of the micro-liquid-controlling techniques and the related MEMS techniques"

- Developed a CMOS-compatible MEMS product, the inkjet head using twin thermal bubbles. [Introduction (PDF)]

- Tested reliabilities and experimented with the new producing processes to improve yield rates.

- Established the inspection rules to distinguish between the working and failed dies.

Mar. 2002-Mar. 2003

Part-Time Teaching Assistant (Super User)
Nano-Electro-Mechanical-Systems Research Center, National Taiwan University, Taipei, Taiwan ROC

 

- Instructed and qualified users in operating the E-beam evaporator and RF magnetron sputter.
 
Applied Physics Letters (APL)
Current Applied Physics
IEEE Sensors Journal
IEEE Transaction on Ultrasonics, Ferroelectrics, and Frequency Control (TUFFC)
Journal of Applied Physics (JAP)
Journal of Micromechanics and Microengineering (JMM)
Journal of The Electrochemical Society (JES)