Patent · US Expired

Thick single crystal diamond layer method for making it and gemstones produced from the layer

US7128974B2 · kind B2 · utility

18Cited by
17References
36Claims
0Family size

Inventors

Key dates

Filing dateDec 19, 2003
Grant dateOct 31, 2006
Priority date
Expiry dateDec 19, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/30
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

This invention relates to diamond and more particularly to diamond produced by chemical vapour deposition (hereinafter referred to as CVD). According to a first aspect of the invention, there is provided a layer of single crystal CVD diamond of high quality having a thickness of at least 2 mm.

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