Contact Service

Service Request

YES systems are built to last decades in the cleanroom. In the event that your system requires a visit from a field service technician, we can arrange a visit to your cleanroom.

Phone support is available for basic questions about a YES system you currently own. Have the serial number handy when you call or use the contact form to submit your service request:









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Contact Information

Yield Engineering Systems (YES)
203-A Lawrence Drive
Livermore, CA 94551-5152 USA

US Toll Free: 1-888-937-3637
International: +1-925-373-8353
E-mail: [email protected]

News & Updates

  • Solutions for Nano and Micro-Structured Optical Films (pdf)
  • Medical Device Industry White Paper (pdf)
  • Genomics White Paper (pdf)
  • October 22-23, 2019 - Visit YES at Booth #39 at the International Wafer Level Packaging Conference at the San Jose Doubletree Hotel
  • October 7-9, 2019 - Visit YES at Booth #8 at Lab On a Chip at the Coronado Island Marriott Resort & Spa (San Diego, CA)
  • July 9-11, 2019 - Visit YES at booth #932 at Semicon West in San Francisco
  • June 25-27, 2019 - Visit YES at booth #244 at Sensors Expo and Conference in San Jose
  • May 28-31, 2019 - Visit YES at booth #219 at ECTC in Las Vegas
  • April 29-May 2, 2019 - Visit YES at booth #306 at CS Mantech in Minneapolis
  • March 4-7, 2019 - Visit YES at Booth #64 at the IMAPS Device Packaging Conference in Arizona

Other Updates

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About Our Company

Located in Livermore, California, Yield Engineering Systems (YES) is a privately held company that manufactures engineering process control equipment to meet the needs of innovative engineers and lab managers.

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