Patent · US Active

Silicon carbide powder, method for manufacturing silicon carbide ingot using the same, and silicon carbide wafer

US12325933B2 · kind B2 · utility

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2References
4Claims
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Key dates

Filing dateDec 22, 2022
Grant dateJun 10, 2025
Priority date
Expiry dateApr 6, 2043

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2235/723
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Disclosed are a silicon carbide powder, a method of manufacturing a silicon carbide powder, and a silicon carbide wafer. More particularly, the silicon carbide powder includes carbon and silicon and in the silicon carbide powder, O1s/C1s of a surface measured by X-ray photoelectron spectroscopy is 0.28 or less.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.