That's not the only thing you have to replace. ASML has layers of sole suppliers themselves, like Zeiss who make their lenses. EUV itself was developed by US g

That's not the only thing you have to replace. ASML has layers of sole suppliers themselves, like Zeiss who make their lenses. EUV itself was developed by US government labs; ASML is a sole supplier of it because we licensed it to them and refused to give it to Nikon/Canon for no good reason.