Wafer Photolithography Process Development Technician job opportunity at Western Digital.

Home Jobs In United States Tag: Job Wafer Photolithography Process Development Technician position at Western Digital


Date2026-05-11T21:46:15.309Z bot
Western Digital Wafer Photolithography Process Development Technician
Experience: General
Pattern: Full-time
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degreeGeneral
loacation Fremont, California, United States
loacation Fremont, Calif..........United States
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Job DescriptionSummaryThe Wafer Photolithography Process Development Technician will support HAMR Photolithography Process Development. This role ensures high‑quality wafer processing through precise execution of lithography steps, equipment troubleshooting, and strict adherence to cleanroom protocols. The technician works closely with development engineering, process, and maintenance teams to develop photo process for advanced HAMR products.ESSENTIAL DUTIES AND RESPONSIBILITIESOperate photolithography tools such as coaters, developers, aligners, and steppers/scanners in a Class 1–100 cleanroom environment.Perform wafer coating, soft bake, alignment, exposure, post‑exposure bake, and development steps according to process specifications and engineering instructions.Inspect wafers using microscopes and metrology tools (e.g., CD‑SEM, profilometers, ellipsometers) to verify pattern quality and critical dimensions.Monitor equipment performance, identify abnormalities, and escalate issues to engineering or maintenance teams.Follow detailed standard operating procedures and maintain accurate production logs and documentation.Handle photoresists, developers, solvents, and other chemicals safely while following all EHS protocols.Support process improvement initiatives by providing data, observations, and feedback to engineers.Maintain cleanroom discipline, including gowning, contamination control, and proper material handling.Assist with root‑cause analysis for yield excursions or equipment faults.Track and manage wafer lot identification, routing, and inventory throughout the photolithography process flow.Participate in process characterization activities and design of experiments (DOE) to support process development and optimization.Support equipment qualification and validation activities, including baseline data collection and performance verification.Collaborate with process engineers and cross‑functional teams to troubleshoot process deviations and implement corrective actions.Maintain detailed equipment logs, including tool performance metrics, maintenance records, and process parameter documentation. 

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