Unimicron / ABF substrate makers
ABF build-up substrate manufacturers
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Full file coming soon. Unimicron / ABF substrate makers's links, deals and figures below are what the graph holds today.Not collected yet: 360, Money, Investors, Market share, People and hiring, Legal, News and events, Earnings calls. Anthropic is the first complete company file (people, investors, legal, hiring, birth to now); other companies follow one at a time. Open Anthropic's file
Overview
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L5 Materials · Materials · chokepoint
Unimicron / ABF substrate makers
ABF build-up substrate manufacturers
- Links
- 7
- Deals from filings
- 0
- Exposed if it fails
- 3
- 49 within 2 steps
- It depends on
- 1
- 1 within 2 steps
No company file yet: revenue, customers and other figures appear here once they are taken from its filings.
What it is
Unimicron, Ibiden and Shinko convert Ajinomoto Build-up Film into the high-layer-count package substrates every AI accelerator sits on. Substrate area per GPU has ballooned with chiplet designs, making ABF substrate fabrication a periodic bottleneck alongside CoWoS.
Key facts
from its map entry- Peers
- Unimicron, Ibiden, Shinko, AT&S
- Input
- Ajinomoto Build-up Film
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Connections7 links
Pulled 28 Oct 2026 · AI Systems Map links
Its suppliers
1Who depends on it
3Compare two: what Unimicron / ABF substrate makers shares with another entity
Pick a second entity to see their direct links, the suppliers, backers, rivals and regulators they share, and the deals with the same parties. The graph lights the same set.
Data sources1 source
| Source | Feeds | Data dated | Pulled | Pulled again | Status |
|---|---|---|---|---|---|
| AI Systems Map links7 links; built July 2026, deals re-checked against filings 27 to 28 Oct 2026 | Connections | · | 28 Oct 2026 | when the map is reviewed | hand-built; deals checked against filings |
Times are New York time. Free sources are pulled on the schedule shown by the pipeline runner (data/corpus/run_pipelines.py), which logs every run; paid sources run only with the owner's yes; filings and newsroom pages are re-read when a new document is filed.
Links come from the AI Systems Map ontology. Deals carry the filing's own wording and a quote, checked against the document; latest source 2026-10-26. Not investment advice.