# Who does Micron Technology pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/micron · Facet: suppliers · Updated: 2026-10-09T13:13:06.366+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Micron Technology's confirmed suppliers/cost counterparties include 에코프로에이치엔, 한미반도체, ASML plus 16 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 19 cost edges, backed by 35 dated sources, 9 of them primary filings (as of 2026-10-09).

### 에코프로에이치엔 (high)  → /ecopro-hn.md
- metric: contract 93,602,000,000원 · 2026.8 계약(~2029.4) · Singapore PFCs abatement
- note: Ordered large-capacity catalytic PFCs abatement systems for its Woodlands, Singapore fab from Ecopro HN: KRW 93.6bn (USD 68m), Aug 2026, through Apr 2029.
- [confirms] Digital Today (EN, news, published 2026-09-14) https://www.digitaltoday.co.kr/en/view/102940/ecopro-hn-wins-more-environmental-solution-orders-in-us-and-taiwan: ""orders for greenhouse gas reduction equipment from Samsung E&A, Hoffman in the United States and Micron"; "cumulative orders disclosed this year were tallied at 191.4 billion won.""
- [confirms] FSS DART (KO, filing, published 2026-09-01) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260901900164: "GHG abatement equipment supply contract with Micron Semiconductor Asia Operations Pte. Ltd.: KRW 93.6bn (USD 68.0m), 66.4% of latest annual revenue, Woodlands Singapore, term 2026-08-29 to 2029-04-01."

### 한미반도체 (high)  → /hanmi-semiconductor.md
- metric: Contract value ₩22.6B · 2024 · first Micron TC bonder contract
- note: Sources HBM TC bonders from Hanmi Semiconductor (first KRW 22.6B deal Apr 2024, ~50 units reordered 2025), diversifying Hanmi's base alongside SK hynix and Samsung.
- [confirms] TrendForce (EN, research, published 2025-04-24) https://www.trendforce.com/news/2025/04/24/news-hanmi-semiconductor-reportedly-sees-strong-tc-bonder-demand-from-micron-chinese-clients/: "Micron reorder of around 50 TC bonders."
- [confirms] Asia Business Daily (KO, news, published 2024-04-11) https://www.asiae.co.kr/article/2024041109202470334: "First TC bonder supply contract to Micron's Taiwan fab."

### ASML (high)  → /asml.md
- note: Buys EUV lithography tools. 1-gamma is Micron's first EUV DRAM node, with EUV expanding at 1-delta. ASML is the sole EUV supplier.
- [confirms] SEC EDGAR (EN, filing, published 2025-10-03) https://www.sec.gov/Archives/edgar/data/723125/000072312525000028/mu-20250828.htm: "Micron 10-K: "...our first DRAM node incorporating EUV lithography..." and "...a single or sole source, and we may be unable to qualify new suppliers..." ASML is the sole EUV equipment supplier."
- [mentions] TrendForce (EN, news, published 2025-03-11) https://www.trendforce.com/news/2025/03/11/news-micron-pioneers-1%CE%B3-ddr5-samples-with-reduced-euv-use-but-future-risks-loom/: "TrendForce: Micron sampled 1-gamma DDR5 using EUV, with EUV expanding at 1-delta."
- [confirms] Micron IR / GlobeNewswire (EN, ir, published 2025-02-25) https://www.globenewswire.com/news-release/2025/02/25/3032114/14450/en/Micron-Announces-Shipment-of-1g-1-gamma-DRAM.html: "Micron IR: shipped 1-gamma DRAM, its first DRAM node using EUV lithography."

### 신에쓰화학 (high)  → /shin-etsu.md
- note: Buys 300mm silicon wafers from Shin-Etsu Chemical under LTA.
- [confirms] ICN Magazine (KO, news, published 2026-01-15) https://icnweb.kr/2026/79720/: "Micron Technology depends on Shin-Etsu Chemical for wafer supply."

### 섬코 (high)  → /sumco.md
- note: Buys 300mm silicon wafers from SUMCO Corporation under LTA.
- [confirms] ICN Magazine (KO, news, published 2026-01-15) https://icnweb.kr/2026/79720/: "Micron Technology depends on SUMCO Corporation for wafer supply."

### 파워텍 (PTI) (high)  → /powertech.md
- note: Uses memory packaging and test from Powertech (PTI).
- [confirms] TrendForce (EN, analysis, published 2025-05-13) https://www.trendforce.com/presscenter/news/20250513-12577.html: "Uses memory packaging and test from Powertech Technology (PTI)."
- [confirms] PTI (EN, ir, published 2025-05-01) https://www.pti.com.tw/en/: "Uses memory packaging and test from Powertech Technology (PTI)."

### 유진테크 (high)  → /eugene-tech.md
- note: Front-end equipment supplier (LPCVD, plasma treatment); Micron is named a main customer in Eugene Tech's annual report.
- [confirms] DART (Korea FSS) (KO, filing, published 2026-03-19) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260319000837: "Eugene Tech annual report names Micron among its main customers."

### 심텍 (mid)  → /simmtech.md
- note: Purchases memory package substrates from Simmtech.
- [confirms] Simmtech (EN, ir, published 2025-05-01) https://www.simmtech.com: "Buys memory package substrates from Simmtech."
- [confirms] TheElec (KO, news, published 2025-01-01) https://www.thelec.kr/news/articleView.html?idxno=18777: "Buys memory package substrates from Simmtech."

### SCREEN Holdings (mid)  → /screen-holdings.md
- note: Buys cleaning and track equipment from SCREEN Holdings.
- [confirms] SCREEN (EN, ir, published 2025-05-01) https://www.screen.co.jp/ir: "Buys cleaning and track equipment from SCREEN Holdings."
- [confirms] Komachine (KO, analysis, published 2025-01-01) https://www.komachine.com/ko/companies/screen-semiconductor-solutions: "Buys cleaning and track equipment from SCREEN Holdings."

### 램리서치 (mid)  → /lam-research.md
- note: Buys etch and deposition tools (memory scaling). Micron named among Lam's main customers.
- [mentions] SEC EDGAR (EN, filing, published 2025-08-11) https://www.sec.gov/Archives/edgar/data/0000707549/000070754925000075/lrcx-20250629.htm: "Micron is a Lam memory customer."
- [mentions] Granitefirm Analysis (EN, analysis, published 2024-08-12) https://www.granitefirm.com/blog/us/2024/08/12/lam-research-chip-equipment/: "Granitefirm: Lam Research's main customers are TSMC, Samsung, Micron and Intel, with strengths in etch and deposition."

### Advantest (mid)  → /advantest.md
- note: Buys test equipment (ATE) from Advantest.
- [confirms] AlphaBiz (KO, news, published 2025-09-01) https://alphabiz.co.kr/news/view/1065571888915355: "Dominant HBM tester tech; SK hynix and others."
- [confirms] Advantest (EN, ir, published 2025-06-01) https://www.advantest.com/document/en/investors/ir-library/annual/E_02_IAR2025.pdf: "Annual report: ATE revenue and customers."
- [confirms] Mordor (EN, analysis, published 2025-01-01) https://www.mordorintelligence.com/industry-reports/semiconductor-test-equipment-market: "No.1 in test equipment at ~58%."

### Teradyne (mid)  → /teradyne.md
- note: Buys test equipment (ATE) from Teradyne.
- [confirms] Korea Economic Daily (KO, news, published 2026-02-24) https://www.hankyung.com/article/2026022418631: "Teradyne surges on the chip upturn."
- [confirms] SEC EDGAR (EN, filing, published 2025-02-26) https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=TER&type=10-K: "10-K: semiconductor-test revenue."
- [confirms] Teradyne (EN, ir, published 2025-01-01) https://www.teradyne.com/semiconductor-testing/: "Memory, SoC and computing test."

### Kokusai Electric (mid)  → /kokusai-electric.md
- note: Sources batch ALD/CVD from Kokusai.
- [confirms] TheElec/Daum (KO, news, published 2025-01-01) https://v.daum.net/v/3edKEYlopo: "Sources batch ALD/CVD from Kokusai."
- [confirms] SemiAnalysis (EN, research, published 2023-10-15) https://newsletter.semianalysis.com/p/going-vertical-gate-all-around-3d: "Sources batch ALD/CVD from Kokusai."

### FormFactor (mid)  → /formfactor.md
- note: Sources HBM/DRAM probe cards from FormFactor.
- [confirms] SEC EDGAR (EN, filing, published 2025-10-29) https://www.sec.gov/Archives/edgar/data/0001039399/000103939925000113/form-20250927.htm: "Sources HBM/DRAM probe cards from FormFactor."
- [confirms] ETNews (KO, news, published 2024-04-24) https://www.etnews.com/20240424000216: "Sources HBM/DRAM probe cards from FormFactor."

### Air Liquide (mid)  → /air-liquide.md
- note: Sources UHP/specialty gases from Air Liquide.
- [confirms] Air Liquide (EN, filing, published 2025-10-28) https://www.airliquide.com/sites/airliquide.com/files/2025-11/air-liquide-pr-25-q3-air-liquide-continues-to-combine-sales-growth-with-commercial-successes-to-shape-the-future.pdf: "Sources UHP/specialty gases from Air Liquide."
- [confirms] e4ds news (KO, news, published 2024-01-01) https://www.e4ds.com/sub_view.asp?ch=5&t=0&idx=16375: "Sources UHP/specialty gases from Air Liquide."

### Merck KGaA (mid)  → /merck-kgaa.md
- note: Sources thin-film/CMP/gas materials from Merck KGaA.
- [confirms] Merck KGaA (EN, filing, published 2026-03-06) https://www.reports.emdgroup.com/en/annualreport/2025/management-report/fundamental-information-about-the-group/company-profile-and-structure/electronics.html: "Sources thin-film/CMP/gas materials from Merck KGaA."

### 도쿄일렉트론 (mid)  → /tokyo-electron.md
- note: Buys coater, etch, deposition and clean tools from Tokyo Electron.
- [confirms] Sisa Journal e (KO, news, accessed 2026-06-21) https://www.sisajournal-e.com/news/articleView.html?idxno=406466: "Micron Technology adopts TEL wafer-fab tools."

### GlobalWafers (mid)  → /globalwafers.md
- note: Uses/buys 300mm silicon wafers from GlobalWafers.
- [confirms] GlobalWafers (EN, ir, published 2025-03-01) https://www.globalwafers.com/en/investors: "IR: silicon-wafer revenue and customers."
- [confirms] Mordor Intelligence (EN, analysis, published 2025-01-01) https://www.mordorintelligence.com/industry-reports/semiconductor-silicon-wafer-market: "Top-five 300mm oligopoly; GlobalWafers ~15%."
- [confirms] TheElec (KO, news, published 2024-06-01) https://www.thelec.kr/news/articleView.html?idxno=9435: "Supplies wafers to TSMC, UMC, Samsung."

### SFA반도체 (메모리 후공정 외주) (mid)  → /sfa-semicon.md
- note: Micron outsources part of its memory (DRAM, flash) assembly and test to Korean OSAT SFA Semicon — SFA's annual report names Micron alongside Samsung and SK hynix as a key customer, one facet of IDMs expanding back-end outsourcing.
- [confirms] DART (FSS) (KO, filing, published 2026-03-23) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260323000826: "SFA Semicon report: supplies packaging solutions to Samsung, Micron, SK hynix and others."

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

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