# Who does Soitec pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/soitec · Facet: suppliers · Updated: 2026-07-12T08:22:44.684+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Soitec discloses no named confirmed suppliers/cost counterparties; 2 relationships are tracked as undisclosed/aggregate. Per the valuechain.wiki graph: 2 cost edges, backed by 2 dated sources, 1 of them primary filings (as of 2026-07-12).

### R&D·엔지니어 (비공개) (low)
- note: R&D in engineered-substrate processes and new products — the cost of maintaining the moat by extending Smart Cut into FD-SOI, SmartSiC and beyond.
- [confirms] Soitec/GlobeNewswire (EN, filing, published 2025-05-27) https://www.globenewswire.com/news-release/2025/05/27/3088835/0/en/soitec-reports-fourth-quarter-revenue-and-full-year-results-of-fiscal-year-2025.html: "RF/FD-SOI/SiC substrate R&D."

### 실리콘 웨이퍼·소재 (비공개) (low)
- note: Purchases the base silicon wafers and materials for the Smart Cut process — the upstream input to its process monopoly, where wafer supply and price drive the cost ratio (suppliers undisclosed).
- [confirms] Soitec (KO, ir, published 2026-01-01) https://www.soitec.com/home/korea: "Sources base wafers/materials for Smart Cut."

Reverse side: https://valuechain.wiki/soitec/customers.md · Ripple: https://valuechain.wiki/soitec/ripple.md

---
Full node: https://valuechain.wiki/soitec.md · JSON: https://valuechain.wiki/soitec.json