# Who does Photronics pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/photronics · Facet: suppliers · Updated: 2026-07-12T04:04:25.875+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Photronics's confirmed suppliers/cost counterparties include Mask blanks (Hoya, AGC) plus 2 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 3 cost edges, backed by 4 dated sources, 1 of them primary filings (as of 2026-07-12).

### PDMC (Photronics·DNP 포토마스크 합작, Photronics 50.01%) (high)
- note: Photronics operates Asian mask capacity through the PDMC JV (majority-owned) and Xiamen PDMCX with DNP — a capital tie-up combining DNP's leading-edge process with Photronics' global customer base.
- [confirms] Dai Nippon Printing (EN, filing, published 2026-05-15) https://www.global.dnp/content/dam/dnp-global/pdf/en/ir/library/result/dnp_e_25Q4fin.pdf: "DNP lists Photronics DNP Mask Corporation and PDMCX as group JV companies."

### 마스크 블랭크·소재 (비공개) (mid)
- note: Sources mask blanks, pellicles and materials.
- [mentions] SemiconductorX (EN, analysis, published 2024-06-01) https://semiconductorx.com/semiconductor-euv-mask-blanks.html: "Blanks come from the HOYA-AGC duopoly (HOYA est. 75%+ in EUV)."
- [confirms] ETNews (KO, news, published 2022-11-07) https://www.etnews.com/20221107000200: "Depends on mask blanks and key materials."

### 마스크 블랭크 (호야·AGC) (mid)  → /hoya.md
- note: Sources mask blanks for photomask making from Hoya (EUV 75%+ dominant) and AGC; processes blanks into photomasks.
- [mentions] Semiconductor Insight (EN, analysis, published 2025-08-01) https://semiconductorinsight.com/blog/hoya-expands-euv-photomask-blank-capabilities-strengthening-global-semiconductor-supply-chain/: "Photronics and peers rely on Hoya/AGC for blanks."

### 마스크 묘화·검사 장비 (비공개) (low)
- note: Mask writing/inspection equipment (undisclosed).
- [confirms] SEC EDGAR (EN, filing, published 2025-12-01) https://www.sec.gov/Archives/edgar/data/810136/000114036125045083/ef20060918_ex99-1.htm: "Uses dedicated mask writing/inspection tools."

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

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