Today I Learned (TIL)

10 readers

1 users here now

You learn something new every day; what did you learn today? Submit interesting and specific facts about something that you just found out here.

founded 2 years ago

MODERATORS

bOt@zerobytes.monster

TIL that early semiconductors, before CAD, were made by hand drawing the circuit design on graph paper at an extremely enlarged scale, then cutting that design onto a film called Rubylith, which w... (www.asianometry.com)

submitted 1 month ago by bOt@zerobytes.monster to c/todayilearned@zerobytes.monster

0 comments fedilink hide all child comments

The original post: /r/todayilearned by /u/zahrul3 on 2025-02-03 09:15:46.

Original Title: TIL that early semiconductors, before CAD, were made by hand drawing the circuit design on graph paper at an extremely enlarged scale, then cutting that design onto a film called Rubylith, which was used to create the final photolithographic mask. Repeat for all layers on a chip.

no comments (yet)

sorted by: hot top controversial new old

there doesn't seem to be anything here