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   Jonathan Schofield (urlyman@mastodon.social)'s status on Wednesday, 02-Oct-2024 20:41:05 JST Jonathan Schofield

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   …“The silicon has also to be formed into crystals with the precise molecular arrangement needed to make the silicon function seamlessly as a building block for electrical circuits.

   So after the silicon has been obtained from sand and chemically purified, it is melted and extruded into the wafers that have this internal crystalline structure. This melting and extrusion has to happen at very high temperature in a crucible that itself has no impurities…