Coat/develop track (photoresist processing)

SCREEN is a dominant supplier of coater/developer tracks, which must match scanner throughput exactly and align with ASML roadmaps, so mismatches stall fabs.

Applies and develops photoresist, anti-reflective coatings, and hard masks before and after lithography exposure. Tracks must match scanner throughput; any mismatch creates fab bottleneck. TEL and Screen dominate; tight coupling with ASML and Nikon scanner roadmaps.

Automated coater/developer (C/D) tracks applying and developing photoresist before and after exposure; also applies anti-reflective coatings (BARC/TARC), hard masks, and EUV topcoat.

What the evidence shows

Tokyo Electron holds 100% share of EUV photoresist coaters and developers.

semianalysis.com

RESCORED JUL 2026oligopolyscaling

Who controls it

SCREEN Semiconductor Solutions

$3.4B market · 2024source

Where it sits in the stack

Takes in: Photoresist, BARC/TARC, EUV topcoat chemistry, wafers

Sends on: Resist-coated wafer ready for exposure; developed wafer with patterned resist

depends onWet chemicals and electronic-grade acids/bases Photoresists and lithography chemicals

feeds intoLithography systems

Related nodes

Lithography systems Deposition equipment Etch equipment CMP equipment Ion implantation Thermal processing and anneal

Full scorecard, owner shares, supply edges and the full tracked roster are in the desk letter.

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