this post was submitted on 06 Dec 2024
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I was curious how bad 10% was, so I went digging to see what it should be.
A "good" yield target on a modern process is something like 60-70%, so this is a shocking shockingly bad oof, though it's also not a complete process, so it's possible they can salvage this and turn it into something viable but, still, oof.
Because there are so many small parts to a processor you need 99.99+% at most stages to stand any chance of mass production. In this context 60-70% is seriously impressive. Millions of things have to be done right to get this type of yield.