Lead awesome PD team to design and have shipped 8x gen Haptics modules and Apple's first force-sensing camera control button from concept to mass production. Shipped iPhone 17ProMax, 17 Pro, 16 ProMax, 16 Pro, 15 ProMax, 14 ProMax, 13 ProMax, 13 Pro, Apple Watch S3, S4, S5, S6, SE. And more to come.

• Dynamic design and analysis of servo writer process and equipment

• Setup SOPs, test plan, and dynamics specs for servowriter platform and factory environment

• Design and conduct engineering experiment including vibration / acoustic / thermal / pressure

• Conduct component and system level dynamics analysis on HDD / motor / fan / fixture / cell / rack

• Evaluate dynamic performance of automation tools and identify noise / vibration source

• Define acoustic and floor vibration specs for servo writer installation in factory environment

• Design modification with cost reduction for current and next generation SSW rack and cabinet

• Characterize MEMS accelerometer to implement a 24/7 shock and vibration monitoring system

• Mechanical Design

• Design fixtures, parts of machine, operation station and processing tools

• Design from conceptual to detail design, sketch to prototype and release to factory

• Apply GD&T in tooling hardware design and conduct experiment verification

• Review design concept and drawings from suppliers and provide suggestions

• Evaluate design using finite element analysis (FEA) for stress-strain-deformation analysis

• Electro-mechanical package design including battery, wireless antenna, sensors, PCBA

• Lead engineer of Helium processing tools and bulk erase tools

• Responsible for tools performance evaluation, maintenance, upgrade and training

• Define calibration, correlation and repeatability matrices for Helium vacuum machine

• Co-work with manufacturing team and vendors in China, Japan, Singapore, Thailand

• Actively engaged in research activities supported by Vibro-Acoustics Consortium.

• Research involves: muffler/duct acoustic attenuation, structural borne and airborne paths frequency based substructuring, systematic noise vibration analysis.

• Guide ME 310 mechanical experiment I (2012 Spring, 2012 Fall, 2013 Spring)

• Teach 200+ undergraduate students to use lab equipments and conduct experiments succesfully

• Grade homework and lab reports

• Working with Hard Disk Assembly Analysis team.

• Projects involving: Actuator Resonance Vibration Control, Voice Coil Motor and PZT FRFs Modal Identification, Operational-Shock Test.