Advanced Semiconductor Test


The Advanced Semiconductor Test (AST) division is built based upon a unique combination of

  • Manufacturing Excellence and
  • Systems Reliability

incorporated from MPI’s worldwide market leadership position in LED Test Equipment with a global installed base of more than 10,000 systems for 24/7 operation and

  • Decades of Engineering probe systems Market Expertise from the AST management team.


By developing Test Solutions (TS), with features based upon:

  • Visionary and Innovative Ideas,
  • A Vast Amount of Application Experience

obtained from long-term market interactions and becoming part of an existing

  • MPI Customer Centric Culture


  • Understanding customer requirements,
  • Solving complex problems,
  • Reducing the overall cost of test and
  • Increasing test cell efficiency

are AST major drivers to continuously provide more value to MPI customers.


The AST division is proud to offer outstanding Engineering Probe Systems and RF Probes products, global service, and superior application support with unsurpassed values.

Learn more about MPI’s value creation strategy: Vector Semiconductor and Allstron Corporation.

Please click on product or application links to get more detailed information.


Sr. Field Service/Repair Engineer (2 openings)

Job Duties:
Responsible for repair of very high pin count (>30,000 pins) MEM's, vertical and cantilever probe cards (VPC and CPC). Replace PCB electrical components such as: Capacitors, resistors, special MUX IC. Adjust VPC space transformer flatness between MLO substrate and PCB by interposer connection. Evaluate customer feedback on probe card issue and take full card inspection to find the root cause. Provide technical support to customer’s new probe card verification on wafer sort and debug to identify setup issues, wafer product issues or program issues. Conduct training on new probe card and new technology application, including on-line clean and off-line maintenance. Contribute to probe card technical improvement to HQ production line. 30% domestic travel required (travel within US to customers’ sites for field service and repair support)

Job Requirements:
5 yrs. field service support and repair of high pin count (>30,000 pins) vertical probe card and cantilever probe card.

Send resume with Job # 202108  to