Characterization and Process Technician (EPI), Shift C
II-VI Incorporated
 Fremont, CA


Perform material characterization of internal and external Epi material.

Maintain standards and calibrations on all characterization equipment.

Perform final chemical clean and drying of wafers coming into Epi for regrowth.

Perform microscope inspection of epi defects and particle counts of wafers following epitaxial growth.

Perform transactions in MES for tracking substrates and wafers in process through the Epi Fab

Data entry and have a basic understanding of statistical process control (SPC).

Ability to write and run basic growth recipes for the MOCVD reactors.

General housekeeping of Characterization Lab and the MOCVD Lab.

General clerical duties and light maintenance support.

Ability to work compressed shift, day or evening schedule.

Compressed work week: Day Shift 3-day, 4-day (Thursday - Saturday, every other Wednesday from 4:45am-5:15pm)

  • Required to become member of the ERT (Emergency Response Team). Pass physical examination , attend training, and be required to respond to facility and personnel emergencies.


1-3 years experience working at an InP or GaAs Wafer Fab.

Specific experience as a characterization technician working with InP or GaAs epitaxial wafers and devices.

Specific experience in chemical handling and wet chemical etching for sample preparation and measurements.

Familiarity with operation of various metrology tools and measurements: Accent Hall, Polaron ECV Profiler, Accent RPM2000 Reflectance and PL Mapper, Accent DCD Pro high-resolution X-ray diffraction, Tencor Profilometer, and Tencor Surfscan Surface Inspection.

Familiarity with the daily operation of an epitaxial deposition chamber.

Familiarity with Microsoft Excel and Word.

Equivalent education and/or experience will be considered.