# Who does Amkor Technology pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/amkor · Facet: suppliers · Updated: 2026-07-12T08:28:56.762+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Amkor Technology's confirmed suppliers/cost counterparties include Kulicke & Soffa, 코후, Camtek plus 6 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 9 cost edges, backed by 11 dated sources, 4 of them primary filings (as of 2026-07-12).

### Kulicke & Soffa (high)  → /kulicke-soffa.md
- note: Buys bonding equipment from Kulicke & Soffa.
- [confirms] BRI (EN, analysis, published 2025-01-01) https://www.businessresearchinsights.com/market-reports/tcb-bonder-market-100089: "Buys bonding equipment from Kulicke & Soffa."
- [confirms] SEC EDGAR (EN, filing, published 2024-11-14) https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=KLIC&type=10-K: "Buys bonding equipment from Kulicke & Soffa."

### 코후 (mid)  → /cohu.md
- note: Purchases test handlers and interfaces from Cohu.
- [confirms] Cohu Inc (SEC 10-K) (EN, filing, published 2026-02-17) https://www.sec.gov/Archives/edgar/data/21535/000143774926004339/cohu20251227_10k.htm: "Buys test handlers and interfaces from Cohu."
- [confirms] Mordor (EN, analysis, published 2025-01-01) https://www.mordorintelligence.com/industry-reports/semiconductor-test-equipment-market: "Buys test handlers and interfaces from Cohu."

### Camtek (mid)  → /camtek.md
- note: Buys inspection and metrology tools from Camtek.
- [confirms] SEC EDGAR (EN, filing, published 2025-03-01) https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=CAMT&type=20-F: "Buys inspection and metrology tools from Camtek."
- [confirms] TheElec (KO, news, published 2025-01-01) https://www.thelec.kr/news/articleView.html?idxno=31137: "Buys inspection and metrology tools from Camtek."

### Resonac (mid)  → /resonac.md
- note: Buys packaging materials from Resonac.
- [confirms] Resonac (EN, news, published 2025-12-01) https://www.resonac.com/news/2025/12/01/3669.html: "Buys packaging materials from Resonac."
- [confirms] Resonac (EN, ir, published 2025-05-01) https://www.resonac.com/investors: "Buys packaging materials from Resonac."

### BESI (mid)  → /besi.md
- note: Buys die-attach and hybrid-bonding tools from BESI.
- [mentions] SEC EDGAR (EN, filing, published 2026-02-20) https://www.sec.gov/Archives/edgar/data/0001047127/000104712726000014/amkr-20251231.htm: "10-K: buys back-end equipment and substrates from key suppliers."

### 삼성전기 (mid)  → /samsung-electro-mechanics.md
- note: Buys package substrates (FC-BGA, etc.) from suppliers such as Samsung Electro-Mechanics.
- [mentions] SEC EDGAR (EN, filing, published 2026-02-20) https://www.sec.gov/Archives/edgar/data/0001047127/000104712726000014/amkr-20251231.htm: "10-K: buys back-end equipment and substrates from key suppliers."

### 디스코 (mid)  → /disco.md
- note: Purchases dicing and grinding equipment from Disco.
- [confirms] Disco (EN, ir, published 2025-05-01) https://www.disco.co.jp/eg/ir/: "Buys dicing and grinding equipment from Disco Corporation."
- [confirms] SemiAnalysis (EN, analysis, published 2025-01-01) https://newsletter.semianalysis.com/p/disco-corporation-the-world-leader: "Buys dicing and grinding equipment from Disco Corporation."

### ASMPT (mid)  → /asmpt.md
- note: Buys die/wire bonders and back-end packaging tools from ASMPT — the advanced-packaging ramp's execution hinges on this tool lead time, an upstream constraint and the cost side of the OSAT bottleneck.
- [mentions] SEC EDGAR (EN, filing, published 2026-02-20) https://www.sec.gov/Archives/edgar/data/0001047127/000104712726000014/amkr-20251231.htm: "10-K: buys back-end equipment and substrates from key suppliers."

### 리드프레임·소재 (비공개) (low)
- note: Buys leadframes, bonding wire and molding materials (suppliers undisclosed).
- [mentions] SEC EDGAR (EN, filing, published 2026-02-20) https://www.sec.gov/Archives/edgar/data/0001047127/000104712726000014/amkr-20251231.htm: "10-K: depends on packaging-materials supply."

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

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