.Develop million gates ASIC chip set for next generation digital wide-band radio.
.Develop a new design process for deep-sub micron ASIC technology within Motorola which including DSP analysis, static timing analysis, cycle-base simulator, formal verification, and arch/RTL/Gate level power analysis.
.Investigate low power solution in deep-sub micron ASIC technologies.
Siemens Medical System, Inc., Nuclear Medicine Group, Hoffman Estates, Illinois 60195
Principal Engineer; Oct. 1990-May 1995
.Develop a new digital gamma camera and acquisition controller.
.Develop analog/digital ASICs & FPGAs for gamma camera include VHDL synthesis and prototype with ASIC emulator.
.Develop hardware and firmware for gamma camera's motion control system.
.Conduct a variety of experiments for gamma camera system to ensure FTZ & FCC class B compliance.
.Investigate a new neural scintillation camera with neural/fuzzy retina circuits.
Siemens Gammasonic, Inc., Angiographic Department, Hoffman Estates, Illinois 60195
Sr. Design Engineer; Jun 1989-Oct. 1990
.Synthesis and analysis 150KW main converter for Angio-generator.
.Simulate the power circuits for all failure conditions by using Analog WorkBench tool to ensure the R&D,
UL and FDA requirements.
.Develop the control system using analog, digital and microprocessor devices including software
in multiprocessor environment. The development documents are produced on an Apollo workstation
Ideal Station for schematics, Board Station for SMD package and placement, IORL for system level design.
.Responsible interface with mechanical design group and testing group to testing and installing the main converter for the engineering unit and first prototype unit.
.Investigate the new converter for the next generation of Angiocardiac system.
California Institute of Technology., Department of Electronic Engineering
Graduate Teaching & Research Assistant; Sept. 1987 - July 1989
.Investigate the high power density and high switching frequency military dc-dc resonant converter.
.Investigate the high switching frequency transformer, integrated magnetic and core material.
.Analysis PWM converter in discontinuous mode and resonant converter.
.Investigate a new voltage clamp instantaneously dynamic control mode for PWM converter.
6/93 Automatic Determination of Optimal Spatial and Contrast Resolution for Brain SPECT Data Acquisition, Siemens Intellectual Property Dept. (IDP93E7503US)
2/93 Portable Photo Diode Camera, Siemens Intellectual Property Dept. (IDP93E7438US)
7/92 Neural Network Correction Arithmetic, Siemens Intellectual Property Dept. (IDP92E7581US)
7/92 Retina-Image Pixel Mapping , Siemens Intellectual Property Dept. (IDP92E7582US)
7/91 Neural Scintillation Camera, Siemens Intellectual Property Dept. (IDP91E7537US)
9/90 Optical Ignition Circuit For 3-Phase Bridge Rectifier Inventors, Siemens Intellectual Property Dept. (IDP90E7524US)
2/90 Multi-Buck Cuk converter , Siemens Intellectual Property Dept. (IDP90E7407US)