Why is lithography so important in China-U.S. tech war?

Why are lithography machines so important in China-US tech war? Why is everyone talking about them? Is it so difficult to make one, and can China develop cutting-edge lithography machines independently?

Join our Telegram discussion group by link:
https://t.me/+w8w-J6nnKoE0ZDJl

For more trending stories and tech news in China, please subscribe:
https://chinaacademy.substack.com/

For more latest Chinese tech news Podcasts, please subscribe:
https://chinaacademy.substack.com/p/from-lab-to-plate-chinese-scientists#details