# UMC to fully acquire MIFS fab from Fujitsu Semiconductor

United Microelectronics Corporation (UMC) announced its Board of Directors approved the full acquisition of Mie Fujitsu Semiconductor Limited (MIFS), a 12-inch wafer foundry in Mie, Japan, from Fujitsu Semiconductor. UMC currently owns 15.9% of MIFS and will acquire the remaining 84.1% for no more than ¥57.63 billion.

- Type: Acquisition
- Announced: 2018-06-29
- Where: Mie, Japan, Japan
- Value: $520.0M (57.6B JPY)
- Status: announced
- Products: 12-inch wafer foundry services
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Companies

- [United Microelectronics Corporation](https://endata.com/companies/19674.md) (acquirer)
- [Fujitsu Semiconductor Limited](https://endata.com/companies/27643.md) (partner)
- [Fujitsu Semiconductor Limited](https://endata.com/companies/27643.md) (target)
- [Mie Fujitsu Semiconductor Limited](https://endata.com/companies/32835.md) (target)

## Sources

- [umc.com](https://www.umc.com/en/News/press_release/Content/esg/20180629_2), 2018-06-29: "UMC is experiencing high demand from mature 12" processes."
- [fuse.wikichip.org](https://fuse.wikichip.org/news/1445/fujitsu-semi-sells-300mm-mie-fabs/), 2018-06-29: "United Microelectronics announced that they will acquire all remaining shares of Mie Fujitsu Semiconductor (MIFS)."
- [en.ctimes.com.tw](https://en.ctimes.com.tw/DispNews.asp?O=HK272A913R0SAA00NJ), 2018-07-02: "The acquisition of a fully qualified, equipped, and volume production proven 12" facility provides greater time and ROI advantages compared to building a fab from scratch."
- [cleanroomtechnology.com](https://cleanroomtechnology.com/umc-buys-out-mie-fujitsu-semiconductor--144643), 2018-07-03: "The acquisition of a fully qualified, equipped, and volume production proven 12-inch facility provides greater time and ROI advantages compared to building a fab from scratch."
- [roboticsandautomationnews.com](https://roboticsandautomationnews.com/2018/07/05/umc-acquires-100-per-cent-ownership-of-fujitsus-semiconductor-business-unit/18104/), 2018-07-05: "The acquisition of a fully qualified, equipped, and volume production proven 12″ facility provides greater time and ROI advantages compared to building a fab from scratch."
- [design-reuse-china.com](https://www.design-reuse-china.com/news/20180708/umc-acquires-100-ownership-of-mie-fujitsu-semiconductor/), 2018-07-08: "UMC will acquire all of the shares of Mie Fujitsu Semiconductor Limited (MIFS), a 300mm wafer foundry joint venture between both companies."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.