Nov. 2009- present NC State University, Raleigh, NC.
Distinguished Professor, Nov. 2018-present: Mechanical and Aerospace Engineering
Full Professor, July 2015- present: Mechanical and Aerospace Engineering
Tenured Associate Professor July 2013 -June 2015: Mechanical and Aerospace Engineering
Tenure Track Associate Professor, Nov. 2009 – June 2013: Mechanical and Aerospace Engineering
Adjunct Professor of Biomedical Engineering 2010-present
University faculty Scholar, 2017-
Research smart M/NEMS, nanoengineering, micromachined ultrasound transducers, renewable power, high frequency ultrasound, intravascular ultrasound imaging and therapy, ultrasound NDT/NDE, electromechanical sensors, actuators, and transducers for medicine, biology and industrial applications. Teach undergraduate and graduate courses. Provide on-campus and off-campus services.
August 2016-January 2017 City University of Hong Kong, Hong Kong
2001-2009 TRS Technologies, Inc., State College, PA.
Vice President for Technology 2008 -2009
Chief Scientist 2007-2009
Company management team member 2006-2009
Senior Research Scientist 2005-2007
Research Scientist 2001-2005
Primary research focus was to research and develop novel piezoelectric transducers, sensors, and actuators. Research was mainly funded by NASA, NIH, DOD, and medical industry.
2001 Standard MEMS, Inc., Long Island, NY.
R&D Engineer 2001
Researched and developed MEMS product including pressure sensors, gas sensors and microphone.
1997-2001 The Pennsylvania State University, University Park, PA.
Research Associate 2000-2001
Postdoctoral Scholar 1997-1999
Researched and developed novel micromanufacturing including – laser direct write (microstereolithography) of 3D structures and thick films of polymer, ceramics (alumina, silica, piezoelectric ceramics (PZT), etc.), and metals on silicon substrate. Taught <MEMS and Smart Structures>, <RF MEMS> courses for Undergraduate and Graduate students.
1996-1997 Nanyang Technological University, Singapore
Postdoctoral Fellow in School of MPE
Researched Microfluid flow and microcooling for electronics.
1992-1996 Department of Precision Instruments and Mechanology, Tsinghua University, Beijing, China.
Research Assistant on Microelectromechanical Systems
Teaching Assistant on Mechanical Design and Drawing for undergraduate students.
Investigated microfluid flow through microchannels with various cross sections, and eveloped Si micro-valves and micropumps for microfluid handling systems.
1990-1992 Department of Mechanical Engineering, Tianjin University, Tianjin, China.
Research Assistant on Robot control.
Measured pose error of an assembly robot and developed a pose error compensation algorithm.