Patent · US Active

Gallium containing zinc oxide

US7651640B2 · kind B2 · utility

3Cited by
0References
19Claims
0Family size

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Key dates

Filing dateFeb 23, 2006
Grant dateJan 26, 2010
Priority date
Expiry dateSep 21, 2026

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C14/32
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A gallium containing zinc oxide with an improved heat ray shielding function while keeping high transparency to visible light rays is provided. A gallium containing zinc oxide, which has a heat ray shielding function, a gallium content in the range of 0.25 to 25 % by weight, and a carrier electron density ne of 2×1020/ cm3 or higher.

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