What Nittobo makes for data centers
public · HQ Japan
Nittobo is a publicly listed company and based in Japan. It appears on 3 parts of the AI data center — Substrate materials, Specialty glass & glass fiber and Low-Dk glass cloth — in the role of manufacturer. Those parts sit in Layer 1 — Compute silicon & packaging, Layer 4 — Servers, racks & integration and Layer 10 — Materials & upstream inputs. Its shares trade on Tokyo Stock Exchange as 3110.T. Substrate materials is flagged as a supply constraint in this catalog.
Parts, by layer
Layer 1 — Compute silicon & packaging
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| Substrate materialsconstrained | manufacturer | disclosed | Ajinomoto, Asahi Kasei, Mitsubishi Gas Chemical, Sumitomo Bakelite | low-Dk T-glass cloth |
Layer 4 — Servers, racks & integration
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| Low-Dk glass cloth | manufacturer | inferred | Asahi Kasei |
Layer 10 — Materials & upstream inputs
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| Specialty glass & glass fiber | manufacturer | disclosed | AGC, Corning, Jushi, Nippon Electric Glass, Owens Corning, Schott |
Where Nittobo sits in the stack
Nittobo's placements in this catalog cover 3 parts, from layer 1 (compute silicon & packaging) to layer 10 (materials & upstream inputs). 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
- Substrate materialsconstrained — The films, resins, glass cloth, and other specialty chemicals that go into building an ABF package substrate.
- Specialty glass & glass fiber — Purpose-engineered glass and glass fiber — optical fiber, low-loss T-glass fabric, and glass-core material — used in network cabling and inside advanced chip packages.
- Low-Dk glass cloth — The woven glass-fiber reinforcement, in low-dielectric-constant grades, that gives laminate its mechanical strength and its high-speed electrical properties.
Closest peers in this catalog
Latest feed
- Nittobo expands glass cloth output as AI chip demand strains global supply — DigiTimes, 2026-10-06Nittobo is increasing production of glass cloth materials to meet the rising demand for glass-core substrates and reinforced materials used in AI chip packaging.
Questions about Nittobo
- What does Nittobo make for AI data centers?
- This catalog places Nittobo on 3 parts: Substrate materials (manufacturer), Specialty glass & glass fiber (manufacturer) and Low-Dk glass cloth (manufacturer).
- Is Nittobo publicly traded?
- Yes — Nittobo is listed on Tokyo Stock Exchange under 3110.T. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Where is Nittobo based?
- Japan, per the company record in this catalog.
- Who else makes substrate materials for AI data centers?
- Ajinomoto, Asahi Kasei, Mitsubishi Gas Chemical and Sumitomo Bakelite are also placed on Substrate materials in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For Nittobo the mix is 2 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.