[gumby]

Those EUV lasers are themselves insanely crazy, and unlike the semiconductors they are part of producing, the EUV gear has lots of expensive short-lived consumables — like mirrors!

[TechDebtDevin]

Yeah Zeiss makes a lot more than eyeglass lenses!

[gumby]

I think of Zeiss as a lens company but indeed, EUV lasers can’t use lenses but instead mirrors which only last a couple of weeks