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Sand and CPU creation (lemmy.world)

submitted 3 months ago by [email protected] to c/[email protected]

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So like, if sand can be used as the first "ingredient" of a CPU, is it possible to use other variants of sand? Or is there only a very SPECIFIC kind of sand used for CPU creation?

So you can't use fine sand from the beaches of a tropical island or black sand in Iceland?

Sorry if this is dumb, I thought it'd be humorous if you can use any sand as the first resource for building a CPU since they literally come from that source.

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[–] [email protected] 4 points 3 months ago

I'm not sure if they literally use sand as the base material, but SiO2 (aka sand) would have to be reduced to metallic Si before the silicon crystal can be grown.

https://en.wikipedia.org/wiki/Czochralski_method