Wafer Fab Technician – Photolithography & Wet Etch
Core
Operate photolithography track systems (coat/develop, steppers/scanners) and wet etch modules to run volume production of InP photonic devices (BH DFB lasers and BH Gain Chips) while ensuring process stability and yield.
Role type
Senior IC Wafer Fab Process Technician (Photolithography & Wet Etch)
Builds
InP Buried Heterostructure DFB lasers and BH Gain Chips for photonic applications
Domain
Semiconductor manufacturing, III-V materials (InP), Photolithography, Wet Etch
Required skills
Photolithography track operation, Wet etch execution, Root cause analysis, SPC control, Recipe management, Metrology tool operation, Cleanroom safety, Chemical handling, Process troubleshooting, Lot prioritization
Preferred skills
III-V/InP process experience, MOCVD regrowth support, DOE execution, Junior staff mentoring
Technologies
Steppers/Scanners, Coat/Develop tracks, CD-SEM, Overlay tools, Profilometry, Wet bench systems
Responsibilities
Execute coat, expose, develop, and descum steps for InP BH DFB laser and BH GC wafers; Perform stripe and Mesa etch steps supporting MOCVD regrowth; Lead root-cause investigations for process excursions; Own SPC control charts and process recipes; Train and mentor operators on production operations and troubleshooting.
Seniority
Senior, hands-on IC