What Ibiden makes for data centers
public · HQ Japan
Ibiden is a publicly listed company and based in Japan. It appears on 2 parts of the AI data center — ABF / high-layer package substrates and High-layer-count PCBs — in the role of manufacturer. Those parts sit in Layer 1 — Compute silicon & packaging and Layer 4 — Servers, racks & integration. Its shares trade on Tokyo Stock Exchange as 4062.T. ABF / high-layer package substrates is flagged as a supply constraint in this catalog.
Parts, by layer
Layer 1 — Compute silicon & packaging
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| ABF / high-layer package substratesconstrained | manufacturer | disclosed | AT&S, Daeduck, Kinsus, LG Innotek, Nan Ya PCB, Samsung Electro-Mechanics |
Layer 4 — Servers, racks & integration
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| High-layer-count PCBs | manufacturer | inferred | AT&S, Compeq, Dongshan, Gold Circuit GCE, ISU Petasys, Kingboard |
Where Ibiden sits in the stack
Ibiden's placements in this catalog cover 2 parts, from layer 1 (compute silicon & packaging) to layer 4 (servers, racks & integration). One of them is tagged constrained, meaning a sourced shortage rather than a long lead time. Across these parts it overlaps with other companies most often on the lines below.
What these parts are
- ABF / high-layer package substratesconstrained — The high-layer-count ABF substrates that an advanced chip package is mounted on, sitting between the interposer and the server board.
- High-layer-count PCBs — The bare printed circuit boards themselves — high-density interconnect, backdrilled, 20 to 40 copper layers — that GPU and switch trays are built on.
Closest peers in this catalog
Seen in real machines
Ibiden is named in 1 of the rack teardowns and supercomputer breakdowns on this site. Each line below is a piece of that machine.
- Nvidia GB300 NVL72 · rack teardown
- ABF substrate
Questions about Ibiden
- What does Ibiden make for AI data centers?
- This catalog places Ibiden on 2 parts: ABF / high-layer package substrates (manufacturer) and High-layer-count PCBs (manufacturer).
- Is Ibiden publicly traded?
- Yes — Ibiden is listed on Tokyo Stock Exchange under 4062.T. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Where is Ibiden based?
- Japan, per the company record in this catalog.
- Who else makes ABF / high-layer package substrates for AI data centers?
- AT&S, Daeduck, Kinsus, LG Innotek, Nan Ya PCB and Samsung Electro-Mechanics are also placed on ABF / high-layer package substrates in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For Ibiden the mix is 1 disclosed and 1 inferred. "disclosed" means the company or a filing says so; "reported" comes from trade press or a reference-design list; "inferred" is a lead from the taxonomy with no citation yet. Treat reported and inferred as leads, not facts.
Answers are generated from this catalog's own rows — see sources & method.