What Resonac makes for data centers
public · HQ Japan · resonac.com
Resonac is a publicly listed company and based in Japan. It appears on 1 part of the AI data center — CMP and chemicals — in the role of manufacturer. That part sits in Layer 1 — Compute silicon & packaging. Its shares trade on Tokyo Stock Exchange as 4004.T.
Listing
Tokyo Stock Exchange: 4004.T· 12820 JPY -1.20% · mkt cap 2.43T JPY
Snapshot 2026-10-25T10:41:17Z — nightly, not real-time.· Chart on TradingView ↗
Exposure
1 part across 1 layer
No disclosed data-center revenue share on file.
Parts, by layer
Layer 1 — Compute silicon & packaging
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| CMP and chemicals | manufacturer | disclosed | Entegris, Fujimi, Merck KGaA, Soulbrain, Stella Chemifa |
Where Resonac sits in the stack
Resonac's placements in this catalog cover 1 part, all in layer 1, compute silicon & packaging. None of them currently carries a sourced supply constraint tag. Across these parts it overlaps with other companies most often on the lines below.
What these parts are
- CMP and chemicals — Chemical-mechanical planarization slurries and related process chemicals used to polish and clean wafers between fabrication steps.
Closest peers in this catalog
| Company | Shared parts | Including | |
|---|---|---|---|
| Entegris | 1 | CMP and chemicals | |
| Fujimi | 1 | CMP and chemicals | |
| Merck KGaA | 1 | CMP and chemicals | |
| Soulbrain | 1 | CMP and chemicals | |
| Stella Chemifa | 1 | CMP and chemicals |
Latest feed
- Resonac grows 300mm SiC crystal, marking a substrate milestone — DigiTimes, 2026-09-18Resonac achieved a milestone by growing and processing a 300mm silicon carbide (SiC) single crystal, which could benefit data center power electronics and related industries.
- Interview: Resonac maps five PLP hurdles, eyes 510x515mm pilot line — DigiTimes, 2026-09-11Resonac identified five primary material challenges—warpage, plating, coating, bonding, and polishing—that must be addressed as panel-level packaging advances.
Questions about Resonac
- What does Resonac make for AI data centers?
- This catalog places Resonac on 1 part: CMP and chemicals (manufacturer).
- Is Resonac publicly traded?
- Yes — Resonac is listed on Tokyo Stock Exchange under 4004.T. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Where is Resonac based?
- Japan, per the company record in this catalog.
- Who else makes CMP and chemicals for AI data centers?
- Entegris, Fujimi, Merck KGaA, Soulbrain and Stella Chemifa are also placed on CMP and chemicals in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For Resonac the mix is 1 disclosed. "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.