Cheng Lin Hsieh Email and Phone Number

1.Responsible for stepper machine by Nikon MUV and DUV2.Analysis, diagnoses, and troubleshoots equipment problems.3.Search and ensures second source parts are available and as specified.4.Preventive maintenance and maintain the ability to optimize machine capacity to improve customer product yield.5.Ensure machine capability and stability through regular maintenance.6.Replace mirror or lens group parts to improve WPH problem.7.Analysis alignment and focus data to prevent abnormal exposure caused by customer production.8.Analysis the cause of alignment abnormality based on product data, and adjust the transmission and sensing system to improve.

1. Responsible for exposure machine.2. Co-work with PE department to develop spiral search function, which successfully improve the alignment issue.3. Co-work with the inspection team to develop the stepper fast function, which successfully increased UPH by 40%.4. During the COVID 19, co-work with IT department to build a remote system for troubleshooting and software upgrade.5. Evaluates, analyzes, diagnoses and troubleshoots technical equipment problems, ensures equipment improves production.6. Writing standard operating procedures for preventive maintenance and exception handling.7. Evaluate the procurement specifications of 2nd exposure machines on overseas business trips, and formulate machine layout design, facility hook-up and move in plan.8. By changing the position of the reader to achieve the interlocking mechanism that the carrier is not turned on, successfully saving software modification costs and time.

1. Responsible for metrology and cleaner machine.2. Improve particle generation and reduced electrostatic damage.3. Performed standard operating procedures for preventive maintenance and troubleshooting

1. Regular equipment preventive maintenance and reduced failure rate.2. Condition monitor and troubleshooting.3. Spare parts replacement.4. Ensured that the products were not scratched and damaged during transportation and storage.