This is really a major simplification and glosses over a lot. US National laboratories were involved but certainly didn't "develop all the initial technology".

This is really a major simplification and glosses over a lot. US National laboratories were involved but certainly didn't "develop all the initial technology". This page on the ASML website gives a good overview: https://www.asml.com/en/news/stories/2022/making-euv-lab-to-fab https://www.asml.com/en/news/stories/2022/making-euv-lab-to-...