# ASML EUV TwinScan at Hwaseong, South Korea: deployment

Canonical ID: `98ae5a17-46bc-472c-ab49-95fd4c8a3298`

Samsung Electronics fab in Hwaseong uses ASML EUV.

**Trust tier:** Unverified

_Last updated: 2026-09-07_

- **Slug:** asml-euv-twinscan-hwaseong-south-korea
- **Status:** operational
- **Model:** [ASML EUV TwinScan](/models/asml-euv-twinscan.md) (id: `84088067-bd7c-4b7c-8d8a-a980110c0379`)
- **Company:** [ASML Holding](/companies/asml-holding.md) (id: `498c86e8-4d30-47b6-9f83-19a2aad91450`)
- **Location:** [Hwaseong, South Korea](/locations/hwaseong-south-korea.md) (id: `8dc95a80-1dbe-4a28-802e-6d9a4f74f2e4`)
- **First seen:** 2020-01-01T00:00:00.000Z

## Verification log (0, append-only)

_No verifications recorded._

## Sources (1)

1. https://en.wikipedia.org/wiki/Samsung_Electronics

## Common questions

### What is the ASML EUV TwinScan deployment at Hwaseong, South Korea?

ASML EUV TwinScan, built by ASML Holding, is recorded as a deployment at Hwaseong, South Korea on the DEPLOY registry. ASML Holding operates the deployment directly.

### Who operates ASML EUV TwinScan at Hwaseong, South Korea?

ASML Holding, the manufacturer of ASML EUV TwinScan, operates this deployment directly. This is a maker-deploys-its-own-product arrangement rather than a customer pilot.

### When did the ASML EUV TwinScan deployment at Hwaseong, South Korea go live?

The deployment is recorded as starting January 1, 2020 on the DEPLOY registry. Earlier activity may exist but is not yet sourced.

### Have there been incidents at the ASML EUV TwinScan deployment at Hwaseong, South Korea?

No active incidents affecting this deployment are recorded on the DEPLOY registry. Absence of recorded incidents is not a guarantee no incident occurred; DEPLOY records only sourced incidents and suppresses retracted ones.


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