Yes, but only few times. Still not clear how an initial mask has been produced? ... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

novaRom on July 7, 2020 | parent | context | favorite | on: Google offers free fabbing for 130nm open-source c...

Yes, but only few times. Still not clear how an initial mask has been produced? From file to mask - a kind of printer or a laser?

baybal2 on July 7, 2020 [–]

for >1 micron it's optical lithographic transfer, for <1 micron, it's e-beam lithography.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact