# Who does Ibiden pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/ibiden · Facet: suppliers · Updated: 2026-07-12T08:24:11.655949+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Ibiden's confirmed suppliers/cost counterparties include Ajinomoto plus 2 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 3 cost edges, backed by 3 dated sources, 0 of them primary filings (as of 2026-07-12).

### Ajinomoto (high)  → /ajinomoto.md
- note: Sources interlayer dielectric (ABF) from Ajinomoto (near sole source).
- [confirms] TradingKey (EN, research, published 2026-01-01) https://www.tradingkey.com/analysis/stocks/us-stocks/261783966-abf-ajinomoto-nvidia-ai-supply-chain-tradingkey: "Sources interlayer dielectric (ABF) from Ajinomoto (near sole source)."

### 빌드업·도금 장비 (비공개) (low)
- note: Build-up, plating and laser equipment (undisclosed).
- [mentions] Ibiden (EN, ir, published 2025-05-01) https://www.ibiden.com/ir/: "Capex."

### ABF 필름·동박 (아지노모토 등, 비공개) (low)
- note: Buys ABF build-up film (Ajinomoto) and copper foil.
- [mentions] DigiTimes (EN, news, published 2025-01-02) https://www.digitimes.com/news/a20250102PD221/ibiden-ic-substrate-demand-market-intel-nvidia.html: "Depends on ABF material."

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

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