# Who are Kulicke & Soffa's customers? Who does Kulicke & Soffa earn revenue from?
Canonical: https://valuechain.wiki/kulicke-soffa · Facet: customers · Updated: 2026-07-12T06:14:39.046+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Kulicke & Soffa's confirmed revenue counterparties include 앰코테크놀로지, ASE테크놀로지, 파워텍 (PTI) plus 3 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 6 revenue edges, backed by 9 dated sources, 2 of them primary filings (as of 2026-07-12).

### 앰코테크놀로지 (high)  → /amkor.md
- note: Amkor, a major OSAT — advanced-packaging capacity expansion feeds K&S bonding-tool demand.
- [confirms] SEC EDGAR (EN, filing, published 2025-11-19) https://www.sec.gov/Archives/edgar/data/56978/000005697825000081/klic-20251004.htm: "FY2025 (ended Oct 4 2025) revenue $654M (-7.4%), net income $0.2M (cyclical trough, barely profitable). Segments: Ball Bonding $293M, Wedge $111M, Advanced Solutions (incl. TCB) $73M, APS $156M. TCB bonders are ~50% split among K&S/ASMPT/Besi — per-OSAT-customer revenue not individually disclosed in the 10-K."
- [confirms] BRI (EN, analysis, published 2025-01-01) https://www.businessresearchinsights.com/market-reports/tcb-bonder-market-100089: "Supplies bonding equipment to Amkor Technology."
- [confirms] SEC EDGAR (EN, filing, published 2024-11-14) https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=KLIC&type=10-K: "Supplies bonding equipment to Amkor Technology."

### ASE테크놀로지 (high)  → /ase.md
- note: ASE, the largest OSAT, is a core buyer of K&S bonders — the AI/HPC shift to TCB drives wire-bonder replacement and expansion demand.
- [mentions] MarketScreener (EN, research, published 2026-06-01) https://www.marketscreener.com/quote/stock/KULICKE-SOFFA-INDUSTRIE-9694/consensus/: "Analyst consensus — after the FY2025 revenue trough, hopes for a TCB/AI-packaging generational recovery underpin the re-rating."
- [confirms] SEC EDGAR (EN, filing, published 2025-11-19) https://www.sec.gov/Archives/edgar/data/56978/000005697825000081/klic-20251004.htm: "FY2025 (ended Oct 4 2025) revenue $654M (-7.4%), net income $0.2M (cyclical trough, barely profitable). Segments: Ball Bonding $293M, Wedge $111M, Advanced Solutions (incl. TCB) $73M, APS $156M. TCB bonders are ~50% split among K&S/ASMPT/Besi — per-OSAT-customer revenue not individually disclosed in the 10-K."
- [confirms] BRI (EN, analysis, published 2025-01-01) https://www.businessresearchinsights.com/market-reports/tcb-bonder-market-100089: "Supplies bonding equipment to ASE Technology."
- [confirms] SEC EDGAR (EN, filing, published 2024-11-14) https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=KLIC&type=10-K: "Supplies bonding equipment to ASE Technology."

### 파워텍 (PTI) (mid)  → /powertech.md
- note: Powertech (PTI), a Taiwan memory/logic back-end house — a buyer of test and bonding tools.
- [confirms] SEC EDGAR (EN, filing, published 2025-11-19) https://www.sec.gov/Archives/edgar/data/56978/000005697825000081/klic-20251004.htm: "FY2025 (ended Oct 4 2025) revenue $654M (-7.4%), net income $0.2M (cyclical trough, barely profitable). Segments: Ball Bonding $293M, Wedge $111M, Advanced Solutions (incl. TCB) $73M, APS $156M. TCB bonders are ~50% split among K&S/ASMPT/Besi — per-OSAT-customer revenue not individually disclosed in the 10-K."
- [confirms] TrendForce (EN, analysis, published 2025-05-13) https://www.trendforce.com/presscenter/news/20250513-12577.html: "Supplies test and bonding equipment to Powertech Technology (PTI)."
- [confirms] PTI (EN, ir, published 2025-05-01) https://www.pti.com.tw/en/: "Supplies test and bonding equipment to Powertech Technology (PTI)."

### JCET (mid)  → /jcet.md
- note: JCET, a large China-based OSAT — sources bonding and test tools as it expands back-end capacity.
- [confirms] SEC EDGAR (EN, filing, published 2025-11-19) https://www.sec.gov/Archives/edgar/data/56978/000005697825000081/klic-20251004.htm: "FY2025 (ended Oct 4 2025) revenue $654M (-7.4%), net income $0.2M (cyclical trough, barely profitable). Segments: Ball Bonding $293M, Wedge $111M, Advanced Solutions (incl. TCB) $73M, APS $156M. TCB bonders are ~50% split among K&S/ASMPT/Besi — per-OSAT-customer revenue not individually disclosed in the 10-K."
- [confirms] TrendForce (EN, analysis, published 2025-05-13) https://www.trendforce.com/presscenter/news/20250513-12577.html: "Supplies bonding and test equipment to JCET."
- [confirms] JCET (EN, ir, published 2025-05-01) https://www.jcetglobal.com/en/: "Supplies bonding and test equipment to JCET."

### 하나마이크론 (mid)  → /hana-micron.md
- note: Hana Micron, a Korean OSAT — a bonding/test tool buyer tied to back-end investment.
- [confirms] Daum News (KO, news, published 2026-06-17) https://v.daum.net/v/20260617203416105: "Supplies bonding and test equipment to Hana Micron."
- [confirms] SEC EDGAR (EN, filing, published 2025-11-19) https://www.sec.gov/Archives/edgar/data/56978/000005697825000081/klic-20251004.htm: "FY2025 (ended Oct 4 2025) revenue $654M (-7.4%), net income $0.2M (cyclical trough, barely profitable). Segments: Ball Bonding $293M, Wedge $111M, Advanced Solutions (incl. TCB) $73M, APS $156M. TCB bonders are ~50% split among K&S/ASMPT/Besi — per-OSAT-customer revenue not individually disclosed in the 10-K."
- [confirms] Hana Micron (EN, ir, published 2025-05-01) https://www.hanamicron.co.kr/eng/: "Supplies bonding and test equipment to Hana Micron."

### ASMPT (low)  → /asmpt.md
- note: Supplies equipment to ASMPT — a large back-end player that is both a K&S customer and a rival in hybrid bonding.
- [confirms] BRI (EN, analysis, published 2025-01-01) https://www.businessresearchinsights.com/market-reports/tcb-bonder-market-100089: "Supplies bonding equipment to ASMPT."
- [confirms] SEC EDGAR (EN, filing, published 2024-11-14) https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=KLIC&type=10-K: "Supplies bonding equipment to ASMPT."

Reverse side: https://valuechain.wiki/kulicke-soffa/suppliers.md · Ripple: https://valuechain.wiki/kulicke-soffa/ripple.md

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