Nov 2022–Current
Principle FBAR NPI Engineer, Broadcom, Inc., San Jose, CA, USA
Mar 2018–Nov 2022
Staff FBAR NPI Engineer, Broadcom, Inc., San Jose, CA, USA
- Optimize AlN FBAR resonator performance for MB/HB/UHB filter applications.
- Investigate novel acoustic wave technologies for wide band and high frequency filter applications.
- Support high volume FBAR-based filter production, such as data analysis, yield analysis, sensitivity study for process variation.
Oct 2016–Mar 2018
Staff Filter Design Engineer, Skyworks Solutions Inc., Irvine, CA, USA
- Design high-performance TC-SAW duplexers and filters for modern RF front-end modules.
- Investigate high-Q, large-coupling, low-TCF piezoelectric acoustic wave resonators for RF filter applications.
Jul 2015–Sep 2016
MEMS Design Engineer, Dialog Semiconductor Inc./Dyna Image Corp., Santa Clara, CA, USA
- Developing high-performance silicon-based MEMS gyroscopes.
Jul 2013–Apr 2015
MEMS Design Engineer, Silicon Laboratories Inc., Sunnyvale, CA, USA
- Developed next-generation of high-performance CMEMS poly-SiGe resonators for timing reference.
- Performed finite element analysis to study loss mechanisms in MEMS resonators and improve their Q's.
- Optimized the designs of MEMS resonators to improve their susceptibility to the process variations.
- Worked closely with foundry and testing members to resolve unexpected behaviors of MEMS resonators.
Summer 2012
MEMS Advanced Development Engineer (Intern), Analog Devices Inc., San Jose, CA, USA
- Developed next-generation MEMS bulk acoustic wave (BAW) inertial sensors.
Jan 2004–May 2005
MEMS R&D Engineer, Advanced Technology Center, BenQ Corporation, Hsinchu, Taiwan
- Developed a CMOS-compatible MEMS product, inkjet head using twin bubbles.
Jan 2010–May 2013
Chip-Scale Mechanical Spectrum Analyzers (CSSA), DARPA, USA
Graduate Student Researcher (GSR), Berkeley Sensor & Actuator Center (BSAC), UC Berkeley
- Developed high-frequency, high-Q, and low-impedance piezoelectric MEMS resonators with the highest f·Q product, 1.61×1013 Hz, among all suspended piezoelectric thin film resonators reported to date.
- Design of phononic crystal (PnC) strip tethers for low anchor-loss AlN MEMS Lamb wave resonators.
Aug 2007–Aug 2009
Micro/Nano Scaling-Induced Physics (MiNaSIP), DARPA, USA
Graduate Student Researcher (GSR), Berkeley Sensor & Actuator Center (BSAC), UC Berkeley
- Developed piezoelectric resonators with a zero 1st-order temperature coefficient of frequency (TCF) and a small 2nd-order TCF of -21.5 ppb/ºC2 at 18 ºC, showing excellent temperature-frequency stability.
- Realized 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 Wideband SAW Filters, NSC, Taiwan
Graduate Student Research Assistant, Institute of Applied Mechanics, National Taiwan University
- Designed and fabricated intermediate frequency wideband (20–50%) SAW filters at 60 MHz.
Aug 2001–Jul 2003
Analysis and Fabrication of Layered SAW Filters, NSC, Taiwan
Graduate Student Research Assistant, Institute of Applied Mechanics, National Taiwan University
- Designed novel SAW filters using slanted finger interdigital transducers on layered AlN/Si structures for ultra-wide band applications at high frequencies.
Fall 2009
Graduate Student Instructor (GSI), Department of Electrical Engineering and Computer Sciences, UC Berkeley
- EE C245 / ME C218: Introduction to MEMS Design (Instructor: Prof. Clark T.-C. Nguyen)
Sep 2005–Jul 2007
Full-Time Teaching Assistant, Department of Engineering Science and Ocean Engineering, National Taiwan University, Taipei, Taiwan
- Basic Engineering Experiments, Electronics Lab, MEMS, Mechanics of Materials, Mechanics of Vibration, Structural Mechanics, Dynamics, Statics, Calculus, and Oceanography.
July 6–9, 2015
Session Chair, Acoustic Devices & Miniature Actuators, ASME InterPACK/ICNMN, San Francisco, CA, USA
Applied Physics Letters (APL)
Applied Science
Applied Surface Science
Current Applied Physics (CAP)
Crystals
Electronics
Electronics Letters
Engineering Research Express (ERX)
IEEE Electron Device Letters (EDL)
IEEE Journal of the Electron Devices Society (J-EDS)
IEEE Sensors Journal
IEEE Transaction on Electron Devices (T-ED)
IEEE Transaction on Ultrasonics, Ferroelectrics, and Frequency Control (T-UFFC)
International Journal of Nanomedicine
Journal of Alloys and Compounds (JALCOM)
Journal of Applied Physics (JAP)
Journal of Electronic Materials (JEMS)
Journal of Micromechanics and Microengineering (JMM)
Journal of Microelectromechanical Systems (JMEMS)
Journal of Micro/Nanolithography, MEMS, and MOEMS (JM3)
Journal of Physics D: Applied Physics (JPhys D)
Journal of The Electrochemical Society (JES)
Journal of Vacuum Science & Technology A (JVST A)
Journal of Vacuum Science & Technology B (JVST B)
Materials
Materials Express (MEX)
Materials Science in Semiconductor Processing (MSSP)
Measurement (MEAS)
Measurement Science and Technology (MST)
Micromachines
Modern Physics Letters B (MPLB)
Nanomaterials
Nanoscale Research Letters (NARL)
Rare Metals (RMET)
Results in Physics (RINP)
Review of Scientific Instruments (RSI)
Sensors
Sensors & Actuators A: Physical
Sensors & Actuators B: Chemical
Sensor Letters
Smart Materials and Structures (SMS)
Ultrasonics