Chips · Fab Materials

EUV Mask Blanks

Ultra-flat low-thermal-expansion substrates with multilayer reflective coatings, the blank a photomask is written on. Hoya + AGC (both JP) ~93% duopoly — a single-country chokepoint.

Goes into

The map, filtered to who makes this.

Who makes it, by country2 on the index

  1. Japan2

By result

  • Clear2
  • Caution0
  • Flagged0
  • Blocked0
  • Not screened0

Results under CHIPS and export controls. What each result means

Where they are

Makers on the index

All 2 on the map →