# On Semiconductor to take majority stake in Aizuwakamatsu wafer fab

On Semiconductor announced it will acquire an additional 20% stake in the Aizuwakamatsu 200mm semiconductor fab from Fujitsu Semiconductor, raising its ownership to 60%. It plans to reach 100% ownership by the first half of 2020.

- Type: Acquisition
- Announced: 2018-10-05
- Where: Aizuwakamatsu, Japan
- Status: announced
- Products: power and analog semiconductors
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Companies

- [ON Semiconductor](https://endata.com/companies/15226.md) (acquirer)
- [Fujitsu Semiconductor Limited](https://endata.com/companies/27643.md) (partner)
- [Fujitsu Semiconductor Limited](https://endata.com/companies/27643.md) (target)
- [Aizu Fujitsu Semiconductor Manufacturing Limited](https://endata.com/companies/34777.md) (target)

## Sources

- [electronicdesign.com](https://www.electronicdesign.com/technologies/analog/article/21807103/on-semiconductor-takes-majority-stake-in-wafer-fab), 2018-10-05: "On Semiconductor announced it would take over the majority of a shared factory to help meet mounting demand for power and analog semiconductors."
- [electronicdesign.com](https://www.electronicdesign.com/technologies/test-measurement/article/21208782/on-semiconductor-buys-additional-20-stake-in-fujitsu-wafer-fab), 2018-10-08: "ON Semiconductor completed an incremental 20 percent share purchase of Aizu Fujitsu Semiconductor Manufacturing Limited, Fujitsu’s 8-inch wafer fab in Aizu-Wakamatsu, on Oct. 1."

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