Most of those techniques and machinery is behind company secrecy, but yes, you need highly precise and specialized machinery to build that kind of things. Linu

Most of those techniques and machinery is behind company secrecy, but yes, you need highly precise and specialized machinery to build that kind of things. Linus Tech Tips did a tour of the Intel fab factory a few months ago: https://www.youtube.com/watch?v=2ehSCWoaOqQ https://www.youtube.com/watch?v=2ehSCWoaOqQ