MIFS
Type	Private
Founded	December 1, 2014
Founder	Fujitsu
Headquarters	Yokohama, Janagawa, Japan

Mie Fujitsu Semiconductor (MIFS) is a Japanese pure-play foundry, wholly-owned subsidiary of UMC.

Overview

Originally spun-off from Fujitsu as an independent wholly-owned subsidiary, MIFS entered into a partnership with UMC which allowed Fujitsu to upgrade the fab to a 40 nm process for 15.9% stake. In late 2018, UMC announced that they have acquired the remaining 84.1% stake in MIFS, making it wholly-owned by UMC.

Fabs

	Fab B1	Fab B2
Start	2005	2007
Size	38,000 m²	80,000 m²
Wafer size	300 mm
Process Technology	90 nm, 65 nm/55 nm, 40 nm
Production Capacity	35,000-40,000 WPM
Certification	ISO 9001, ISO 14001, ISO/TS16949
Major Features	Earthquake-proof construction, LNG GAS Satellite Base, NAS Batteries Installation