Wafer Substrate Tester

Test semiconductor wafer substrates.
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Quick Stats


Salary Range
$20,000 – $56,000

Data from U.S. Department of Labor


What do Wafer Substrate Testers do?

Tests semiconductor wafer substrate, using testing equipment, such as probe tester, spectophotometer, and curve tracer, to evaluate electrical characteristics of wafer substrate: Places wafer, using tweezers, on test equipment that measures electrical characteristics of wafer substrate, such as resistivity, capacitance, and voltage. Starts equipment and observes equipment readout to determine wafer electrical measurements. Records measurements in production log. Compares measurements with specification sheets to determine if wafer substrate meets company standards. Sorts, boxes, and labels tested wafers. Delivers wafers and process sheets to production line workers. Maintains production records. May inspect wafer substrate surfaces, using ultraviolet lamp, to detect scratches and contamination.


Should I be a Wafer Substrate Tester?

You should have a high school degree or higher and share these traits:
  • Team Player: You're able to listen, communicate, and work with tons of different people.
  • Trustworthy: You are known for your personal integrity and honesty.
  • Independent: You enjoy flying solo and doing things your own way.

  • Also known as: Tester, Wafer Substrate

    How to become a Wafer Substrate Tester

    Most Wafer Substrate Testers have no higher education and get on-the-job training. Think about earning a Certificate or Associate's degree to increase your competitiveness in the field. Chart?chd=s:9zcaaa&chl=no+college+%2869%25%29|certificate+%2828%25%29|associate%27s+%283%25%29|||&cht=p3&chs=466x180&chxr=0,69,69
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