In charge of all CP equipment in the latest 6 months, which included Tester/Prober hook up and set up, probe card IOQC, Machine acceptance process, establishing new device profiles, and related operation documents. Co-work with colleagues and other Dept. to solve production problems. SepPresent Photolithography Equipment Engineer • PowerChip Technology .lnc Photo metrology equipment, preventive maintenance and troubleshooting. Defect analysis and solving. Assist product engineers to improve product yield . AprApr 2015 Test equipment engineer • PowerChip Technology .lnc Wafer test equipment preventive maintenance and troubleshooting. Assist in equipment install .