- Singapore
全职 Senior-Staff Process Engineer (Wafer Dicing - Back-grind) 工作, 薪水, Lumilens 公司招聘中 - Ricebowl
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职位描述
岗位职责
Core Responsibilities
- Responsible for silicon photonic wafer backside grinding/thinning process, laser stealth dicing process and die sorting development for silicon photonic chips, with OSAT or internal line.
- Optimize wafer thinning thickness, grinding speed, cutting path and laser cutting parameters to avoid chip crack, edge chipping and optical structure damage of silicon photonic wafers.
- Solve process abnormalities in wafer thinning and dicing processes, including wafer warpage, surface scratch, incomplete cutting and chip breakage.
- Monitor wafer thickness uniformity, cutting quality and production capacity, carry out continuous process optimization to improve product yield.
- Evaluate process compatibility between wafer grinding/stealth dicing and bumping & flip-chip processes, optimize process integration to avoid subsequent process failure attributed to front-end process variations.
- Compile process SOP, WI, failure reports and engineering change documents; support NPI new product introduction and process verification.
- Education: A Bachelor or Master degree in Materials Science, Chemical Engineering, Mechanical Engineering, Microelectronics, or an equivalent technical discipline
- Experience: 3 to 6+ years of hands-on process engineering in wafer mounting, wafer dicing, wafer thinning or grinding, especially in handling advanced packaging wafers with more complex topology or stack
- Experience working with external equipment and material suppliers to develop equipment and materials needed to support new assembly requirements. Characterize, qualify and bring the process up for mass production
- Familiarity with SPC, JMP data analysis, and DOE matrix design for process development and problem identification and solving using meticulous fixing methods
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