Custom Foundry Services

ON Semiconductor supports Foundry projects with program managers, Customer Service Resources, and product marketing managers, from design engineering, through prototypes, and into production. Foundry experts in Europe and USA enable direct factory technical communications to ensure successful reticle generation, process integration, test development, yield enhancement, and prototype delivery. An experienced group of professionals will quickly turn your geometric data into prototypes in the finished product form you require. Whether your need is for wafers, die, or tested package units, we have the streamlined prototype flow needed to keep your development project on schedule.

ON Semiconductor has >45 years of experience in the foundry business, maintains processes to accommodate customer needs, and supports long-life, high-quality products and long-term relationships. Combined with the company’s financial strength, this commitment enables customers to have confidence in long-term product sourcing decisions.

Trusted Source

ON Semiconductor is a registered ITAR supplier, and has also been granted Category 1A Trusted Design, Trusted Test, and Trusted Foundry accreditation for its on-shore fabrication facilities in Idaho and Oregon.

Company Certifications

IATF 16949, ISO 9001, AS 9100, ISO 14001, MIL-PRF-38535, OHSAS 18000, CTPAT, and QML.


ON Semiconductor Foundry business provides:

  • CMOS, BCD, and High Voltage processes
  • Downloadable Design Kits and IP Support
  • Custom Process Installation & Modification
  • Short Loop Processing
  • Highest Stitched Wafer Yields in the Industry
  • Backside metallization
  • Wafer thinning
  • Wafer sort
  • Packaging
  • Final test

Multi-Project Support

ON Semiconductor is affiliated with two multi-project houses – MOSIS and Europractice - providing prototyping and small-volume production services for VLSI circuit development, by aggregating multiple designs onto one mask. Mask generation, wafer fabrication and device packaging can be contracted through MOSIS and Europractice to ON Semiconductor.


Visit MyON > Intellectual Property to request design kits, or contact your local sales representative.

Custom Design & Manufacturing Services Brochure

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