# Who are Onto Innovation's customers? Who does Onto Innovation earn revenue from?
Canonical: https://valuechain.wiki/onto-innovation · Facet: customers · Updated: 2026-07-12T06:27:00.55169+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Onto Innovation's confirmed revenue counterparties include SK하이닉스, 삼성전자, TSMC. Per the valuechain.wiki graph: 3 revenue edges, backed by 4 dated sources, 2 of them primary filings (as of 2026-07-12).

### SK하이닉스 (high)  → /sk-hynix.md
- metric: Revenue ~$500M · 2025 · Advanced Packaging & Specialty segment revenue $500M+ (HBM, 2.5D/3D inspection)
- note: Supplies HBM-inspection tools to SK Hynix — HBM capacity expansion transmits directly into metrology/inspection demand.
- [confirms] Seeking Alpha (EN, research, published 2026-02-20) https://seekingalpha.com/news/4554391-onto-innovation-projects-over-30-percent-advanced-packaging-growth-in-2026-amid-record: "Seeking Alpha: Onto projects over 30% advanced-packaging growth in 2026 amid record backlog and AI demand."
- [confirms] Onto Innovation IR (EN, filing, published 2026-02-19) https://investors.ontoinnovation.com/news/news-details/2026/Onto-Innovation-Reports-2025-Fourth-Quarter-and-Full-Year-Results/default.aspx: "FY2025 Advanced Packaging & Specialty $500M+, Advanced Nodes ~$300M (2x from $148.5M in FY2024). HBM capacity expansion transmits into metrology/inspection demand. 2026 advanced-packaging +30%+, record backlog."
- [confirms] TheElec (KO, news, published 2025-09-01) https://www.thelec.kr/news/articleView.html?idxno=38886: "Supplies metrology and inspection tools to SK hynix."
- [confirms] SEC EDGAR (EN, filing, published 2025-02-06) https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=ONTO&type=10-K: "Supplies metrology and inspection tools to SK hynix."

### 삼성전자 (mid)  → /samsung-electronics.md
- metric: Revenue $1B · 2025 · Onto FY2025 total revenue $1.0053B (+1.8%, record) — per-customer share undisclosed
- note: Supplies memory/packaging inspection tools to Samsung — a core demand point in the back-end investment cycle.
- [confirms] Onto Innovation IR (EN, filing, published 2026-02-19) https://investors.ontoinnovation.com/news/news-details/2026/Onto-Innovation-Reports-2025-Fourth-Quarter-and-Full-Year-Results/default.aspx: "FY2025 total revenue $1.0053B (+1.8%, record), net income $136.8M, EPS $2.78. Samsung among core memory/packaging inspection customers (per-customer share undisclosed)."
- [confirms] TheElec (KO, news, published 2025-09-01) https://www.thelec.kr/news/articleView.html?idxno=38886: "Supplies metrology and inspection tools to Samsung Electronics."
- [confirms] SEC EDGAR (EN, filing, published 2025-02-06) https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=ONTO&type=10-K: "Supplies metrology and inspection tools to Samsung Electronics."

### TSMC (mid)  → /tsmc.md
- note: Supplies metrology/inspection tools for TSMC advanced packaging (e.g., CoWoS) — inspection demand rises structurally as stacking and miniaturization grow complex.
- [confirms] TheElec (KO, news, published 2025-09-01) https://www.thelec.kr/news/articleView.html?idxno=38886: "Supplies metrology and inspection tools to TSMC."
- [confirms] SEC EDGAR (EN, filing, published 2025-02-06) https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=ONTO&type=10-K: "Supplies metrology and inspection tools to TSMC."

Reverse side: https://valuechain.wiki/onto-innovation/suppliers.md · Ripple: https://valuechain.wiki/onto-innovation/ripple.md

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