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SEMES Co., Ltd. — AI supply-chain exposure

SEMES Co., Ltd. · Private· Chips· South Korea
The quick read

The model reads SEMES Co., Ltd. primarily as a supplier in Chips. Its largest modeled sensitivity is a shock at Silicon wafer supply (constraint β 24).

33
Chain weight /100
1
Parts exposed
1
Layers spanned
24
Constraint β
SEMES Co., Ltd. across the stack
Chips

The structural read · model-generated

The model reads SEMES Co., Ltd. primarily as a supplier in Chips. Its largest modeled sensitivity is a shock at Silicon wafer supply (constraint β 24).

In depth · editorial + model · written 2026-07-13

SEMES is Samsung Electronics' wholly owned equipment arm and the largest semiconductor-equipment maker in Korea. It builds cleaning systems, photolithography tracks, etch, and test-handling equipment, supplied primarily to Samsung's own memory and logic fabs. In the chain it is a captive foundry-capacity supplier — the in-house tool source that lets Samsung control key process steps rather than buy every machine from outside vendors.

Its structural hook is that captive relationship. Being owned by Samsung guarantees SEMES a home for its tools and a front-row seat to advanced-node and memory roadmaps, but it also ties its fate to one customer's capital spending. Photo-track and cleaning tools are qualified, recurring content on every new wafer line, so SEMES's volume rises and falls with Samsung's fab build-out. The model places it as a capacity supplier because its equipment installs step-by-step alongside external tool makers inside Samsung's own fabs.

Where it's exposed

Chain footprint by layer

Chips
100%

How it participates

Supplier
100%

Every part SEMES Co., Ltd. touches

Critical materials it leans on

PhotoresistHigh-purity quartzHydrofluoric acid / anhydrous HFSilane (SiH4)Electronic-grade hydrogen peroxide

Geographic concentration

Taiwan StraitTaiwanTainan — Southern Taiwan Science ParkNetherlandsKumamoto — Kyushu 'Silicon Island'

Frequently asked

What is SEMES Co., Ltd.'s role in the AI supply chain?

The model reads SEMES Co., Ltd. primarily as a supplier in Chips. Its largest modeled sensitivity is a shock at Silicon wafer supply (constraint β 24).

Which parts of the AI value chain is SEMES Co., Ltd. exposed to?

SEMES Co., Ltd. is mapped to 1 part of the AI value chain, most strongly Foundry capacity. It sits primarily in the Chips layer as a supplier.

Does SEMES Co., Ltd. own an AI bottleneck?

Not in the current model — SEMES Co., Ltd. is exposed to constrained parts but sits downstream of them rather than producing them.

What is SEMES Co., Ltd.'s biggest AI supply-chain risk?

Its largest modeled sensitivity is a shock at Silicon wafer supply (constraint β 24). 4 nodes depend on it; pressure 61/100

Who are SEMES Co., Ltd.'s closest peers by AI-chain position?

By shared chain dependencies: TOPPAN Holdings, Dai Nippon Printing, Photronics, Carl Zeiss SMT.

Go live on SEMES Co., Ltd.

  • The interactive dependency graph and full company Nexus
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model v0.7.0 · research, not advice

Chain analytics are illustrative, order-of-magnitude estimates from our model of the AI value chain — not investment advice.

as of 2026-07-17Medium confidence model v0.7.0
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