Carl Zeiss SMT
Carl Zeiss SMT makes the mirrors and lenses inside ASML's lithography machines. ASML owns 24.9% of it.
PrivateOberkochen, GermanyTools, EDA & IP
Chokepoint: ASML's only source of lithography optics, including every EUV mirror.
Supplies
Supplies ASML
Zeiss SMT is ASML's only source of lithography optics.
Money
ASML invests in Carl Zeiss SMT
ASML owns 24.9% of Carl Zeiss SMT, its sole optics supplier.