ASML → United Microelectronics (UMC)
As of 2026-09-05, ASML is a tracked supplier of United Microelectronics (UMC). ASML is a monopoly in Equipment (Front End) (headquartered in Netherlands); United Microelectronics (UMC) is a major in Foundry (headquartered in Taiwan). ASML has 11 tracked customers; United Microelectronics (UMC) has 24 tracked suppliers.
Data as of 2026-09-05 · relationship type: tracked supplier → customer · both names resolve in companies.json · no dollar amount is shown unless it already sits on a company record, and none is invented here
Why this edge matters
ASML (monopoly in Equipment (Front End)) is a tracked supplier of United Microelectronics (UMC) (major in Foundry). Sole supplier of EUV lithography machines required for all leading-edge chips. Taiwan's second foundry, strong in mature and specialty nodes. The edge is one of 24 tracked suppliers of United Microelectronics (UMC) and one of 11 tracked customers of ASML.
Source: derived from both company records and the counted edges.
Concentration / risk note
ASML is positioned as a monopoly in Equipment (Front End), so this edge is harder to replace than a challenger or niche supplier.
Basis: supplier position. Omitted on edges where the graph does not back a concentration claim.
The two companies
ASML (supplier)
Sole supplier of EUV lithography machines required for all leading-edge chips.
United Microelectronics (UMC) (customer)
Taiwan's second foundry, strong in mature and specialty nodes.
Other tracked suppliers of United Microelectronics (UMC)
Other tracked customers of ASML
Cite as: wafergraph, “ASML → United Microelectronics (UMC) — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/asml/umc/ (data as of 2026-09-05).
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