Help customer boost product yield, shorten time-to-market and maximize net profit with our in-line e-beam testing and review technology for large substrates.

► Mechatronics design, motor sizing and system dynamic simulation using Python, GNU Octave, etc.► Servo control and motor commissioning using time-domain and frequency domain analysis. (FFT, Bode plot, PID, loop-shaping, etc.)► PLC and motion control application programing (TwinCAT, PLCopen IEC 61131-3 ST language), ► SEM/ebeam system vibration analysis, vibration control and troubleshooting (using accelerometers, magnetic field sensors, microphone, etc.)software communication interfaces implementation (EtherCAT, TCP/IP).► High vacuum positioning stage design, manufacturing, testing and troubleshooting.► Vacuum system contamination control, RGA (residual gas analysis)► Flat panel display (FPD) e-beam defect review and inspection SEM system design, engineering and continuous improvement► Electromagnetic FEA modeling and simulation for SEM electron optics and e-beam testing applications.

► Introducing the state-of-the-art real-time distributed control architecture for flat panel display manufacturing equipment.► Supporting field-site system installation and troubleshooting. ► Establishing the CI (Continuous Integration) infrastructure and automatic software test framework using Jenkins, SikuliX and Python PyUnit.► Real-time Linux setup and optimization.► Managing the Linux building environment.► Establishing the tech knowledge database for the R&D team.

► Software Project Management (Motion Control and Industrial Automation)• Promote collaboration and inspire productivity inside R&D team• Prioritize and fulfill the expectations from project stakeholders• Create and maintain product roadmap, release plans and system test plans• Enforce quality control over code quality, product functionalities, user experience and the overall development workflow► Continuous Delivery / Continuous Integration Management• Setup and maintain a cross-platform (Linux, Windows) CI pipeline using Jenkins, Visual SVN, Bash scripts.• Integrating Git, static code analysis, code review, bug tracking, Wiki and automated software testing tools into the CI/CD environment► Field Application Support and Consultation• Provide customer support and consultation for motion system setup and application• Coordinate and conduct customer training programs► Human Resource Development• Coordinate and conduct employee training programs

►Design the numerical control kernel for motion control applications.Involved in the development of:• Real-time numerical control kernel architecture,• On-line motion profile generator,• Multi-axis trajectory planning,• Volumetric error compensation,• Electronic camming, gearing,• Robot kinematics,• PLCopen compliant functionalities, and other motion related industrial applications.► Agile software development • Adopting agile methodologies in the development of industrial automation equipments.

Application software designer and servo control specialist of nano-positioning stage in the high resolution e-beam review system. Enabled the first ever in-line e-beam review system in the display industry.►Expertise and skills:• In-depth understanding of servo control algorithm and application• vibration control technologies• frequency domain data analysis, Fourier analysis• mega-fabs motion controller: PDL programming, advanced servo tuning• ACS motion controller: ACSPL+ programming, advanced servo tuning• electric motor, drive and feedback technologies• vacuum technologies• the problem solving attitude and mission oriented mindset