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1 vote
1 answer
459 views

How were "old" chips manufactured, such as the 6502?

Recently, there have been several youtube vids (example) talking about how modern CPUs are manufactured. Basically, it's a complex nightmare of dropping molten tin and lighting it with light, which ...
DrZ214's user avatar
  • 1,077
55 votes
7 answers
18k views

Why don't we make CPUs with 1000s of layers to make use of space in the third dimension?

I am wondering why don't we make processors such as CPUs with 1000s of stacked layers to make use of space in the third dimension now that we have three-dimensional transistors. To be clear I'm ...
Ethan's user avatar
  • 689