UMC Fab Locations

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A Long and Productive History

Founded in 1980 as Taiwan’s first semiconductor company from state-owned ITRI, UMC led the development of the commercial semiconductor industry in Taiwan.

  • 1980
    Spun off from state-owned ITRI as Taiwan’s first IC company
  • 1995
    Switched from IDM to pure-play foundry model
  • 1999
    Established Fab 12A, Taiwan’s first 12-inch fab
  • 2000
    Became the first Taiwan semiconductor company to list on the NYSE
  • 2015
    Established 12-inch fab in Xiamen, China (USCXM)
  • 2017
    USCXM first China fab to enter volume 28nm production
  • 2019
    Acquired MIFS 12-inch fab in Japan
  • 2021
    Joined RE100 and pledged net zero emissions by 2050
  • 2024
    Announced 12nm process collaboration
    with Intel

Leading Foundry Solutions

UMC is committed to Specialty Technologies that serve upcoming growth markets, particularly 5G, IoT and Auto ICs. We lead in many areas such as 80eHV TDDI & 40eHV/28eHV TDDI technology and shipments, and our specialty market share continues to grow, especially on 12-inch manufacturing.


Furthermore, as IP has become a critical resource for today’s SoCs, we have worked to provide fundamental as well as more specialized IP that are optimized for portability and cost, developed both internally and from third-party partners.


Our multiple fabs across Asia featuring world-class defect densities and cycle times ensure ample capacity and manufacturing quality. Come explore how UMC’s specialty processes can help power your next generation IC design.

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