Comment on Can China build its own ASML?parentComments−joe_mamba2mo> but they had 20 years of European IP before that, all related other parts of the lithography machine (and not EUV) that made ASML the company it is.Was any of that 20 year old European DUV lithography machine IP superior to the IP from the other DUV champions, Canon and Nikon?−robocat2moThe fact that Japan hasn't built a competitive machine is more of an argument for the ability of ASML and it's suppliers.−joe_mamba2mo20 years ago was a different story, there was no EUV yet, and Japan was leading DUV.So it doesn't answer my question if ASML had superior DUV IP.
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> but they had 20 years of European IP before that, all related other parts of the lithography machine (and not EUV) that made ASML the company it is.
Was any of that 20 year old European DUV lithography machine IP superior to the IP from the other DUV champions, Canon and Nikon?
The fact that Japan hasn't built a competitive machine is more of an argument for the ability of ASML and it's suppliers.
20 years ago was a different story, there was no EUV yet, and Japan was leading DUV.
So it doesn't answer my question if ASML had superior DUV IP.