HPQ Silicon Inc V.HPQ

Silicon Carbide

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Interesting article about Silicon Carbide.
https://www.thetechnologyletter.com/the-posts/silicon-carbide-and-the-age-of-electrification

Silicon Carbide manufacturing process.
https://www.gab-neumann.com/Silicon-carbide-manufacturing-process#:~:text=Silicon%20carbide%20(SiC)%20is%20a,C%20(4530%C2%B0F).

"Silicon carbide (SiC) is a compound of silicon and carbon with a chemical formula of SiC. The simplest manufacturing process for producing silicon carbide is to combine silica sand and carbon in an Acheson graphite electric resistance furnace at a high temperature, between 1600°C (2910°F) and 2500°C (4530°F). Fine silicon particles can be converted to silicon carbide (SiC) by heating in the excess carbon from the organic material. The silica fume, which is a byproduct of producing silicon metal and ferrosilicon alloys, also can be converted to SiC by heating it with graphite at 1500°C (2730°F)."