# UMC expands 28nm capacity at Tainan fab with customer deposits

United Microelectronics Corporation (UMC) will add capacity for 20,000 wafers per month at 28nm at an existing fab in Tainan, increasing capital spending by 53% to $2.3 billion, under a deal where customers pay deposits upfront for guaranteed orders.

- Type: Expansion
- Announced: 2021-04-30
- Where: Tainan, TWN
- Value: $2.30B
- Status: announced
- Capacity: 20,000 wafers per month at 28nm
- Products: 28nm semiconductor wafers
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Companies

- [United Microelectronics Corporation](https://endata.com/companies/19674.md)

## Sources

- [knowledge.openinnovationgarage.com](https://knowledge.openinnovationgarage.com/chipmaker-says-it-will-ramp-up-production-of-older-28nm-chips/), 2021-04-30: "This will strengthen our financial position to capture the market opportunity."

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