SEMICONDUCTORS · PASIR RIS

UMC Fab 12i expansion

UMC unveiled its new Singapore fab in April 2025, announcing a target for first-phase volume production in 2026.

Commissioning · reported 1 Apr 2025United Microelectronics Corporation
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Official source

The linked source supports the reported stage. Targets remain subject to change.

Status evidence
1 Apr 2025
Record checked
9 Sept 2026
UMC · view evidence

Status & scale

Volume production in 2026 (announced target)

Up to US$5bn — First phase investment. UMC ↗

Why it matters

Editorial context

The announced 22nm and 28nm processes support specialty chips. The opening ceremony alone does not verify that volume production has begun.

Questions to follow

Research prompts · not assertions of future events
  • Is there a subsequent source confirming volume production?
  • What changes between installed capacity and commercially qualified output?

Location precision

Existing UMC campus reference; the expansion boundary is not verified.

Geographic reference ↗

Evidence & sources

Recorded history

  • 1 Apr 2025 — New facility unveiled; production target announced. Source ↗

Edition reviewed 10 Sept 2026. Evidence dates do not imply a live site inspection. Campus and area references do not establish exact building footprints.