Unimicron

Unimicron is a leader in the Materials segment of the semiconductor & AI supply chain, headquartered in Taiwan. Its key suppliers include Ajinomoto. Its key customers include NVIDIA, AMD, MediaTek.

Largest Taiwanese ABF substrate maker serving major fabless customers.

Ticker
TWSE: 3037
Headquarters
Taiwan
Founded
1990
Revenue
$4.1B (FY2025) · +13.8% YoY
Net income
$211M
Operating margin
15.5%
Market position
leader
Value-chain segment
Substrates
Key products
ABF substrates, IC carriers

About Unimicron

Unimicron, headquartered in Taiwan, operates in the Substrates segment of the semiconductor & AI supply chain and is positioned as a market leader there. Its key products include ABF substrates, IC carriers. wafergraph maps 1 tracked supplier and 10 tracked customers for Unimicron across the value chain. It has a supply-chain criticality score of 81/100, with 236 companies downstream of it.

Unimicron Technology Corporation is a printed circuit board (PCB) manufacturer headquartered in Taiwan. The company produces PCBs, high density interconnection (HDI) boards, flexible PCBs, rigid flex PCBs, integrated circuit (IC) carriers, and others. In addition, it provides testing and burn-in services of IC substrates and PCBs. Applications of its products and services include liquid crystal display (LCD) monitors, personal computers (PCs) and peripheral products, notebook computers, network cards, facsimile machines, scanners, mobile phones, personal digital assistants (PDAs), and others. Unimicron has manufacturing sites and/or service centers in Taiwan, China, Germany, and Japan.

Role in the chain

Unimicron is a market leader in Materials (Substrates), headquartered in Taiwan. Largest Taiwanese ABF substrate maker serving major fabless customers.

Diligence questions

  1. The dataset records 1 tracked supplier for Unimicron. Which of those edges are researched (named in a filing or primary source) versus segment-inferred, and what happens if one of them stops shipping?
  2. 1 of Unimicron's tracked suppliers are a monopoly or leader (including Ajinomoto). Which of those are actually single-source for the process step you care about?
  3. The dataset names 10 tracked customers for Unimicron. How concentrated is demand among those names, and which of them have a documented second source in this graph?
  4. Unimicron is positioned as a leader in Materials. How replaceable is this vendor on the process step you are buying?
  5. Unimicron is headquartered in Taiwan. What jurisdiction, export-control or logistics risk sits at that HQ, versus at the fabs or plants the filings actually name?
  6. Unimicron trades as TWSE:3037. What does the latest reported period say about capacity and backlog versus the graph position above?

Full diligence pack for Unimicron

Key products

  • ABF substrates
  • IC carriers

Suppliers

Customers

More Materials companies

Compare with

Corning Incorporated · Samsung Electro-Mechanics · Shengyi Technology · Ibiden · Shennan Circuits · Ajinomoto

Sources

Open the interactive supply-chain view →

Cite as: wafergraph, “Unimicron — supply chain, financials & market position”, https://wafergraph.com/company/unimicron (data as of 2026-09-05).

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