Patent · US Expired

Synthetic diamond wear component and method

US6447843B1 · kind B1 · utility

20Cited by
11References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 27, 1997
Grant dateSep 10, 2002
Priority date
Expiry dateFeb 1, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C16/279
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A method is set forth for making a diamond film coated wear part, including the following steps: providing a part; depositing a first layer of polycrystalline diamond film on the part with non-{100} crystallographic faceting; and depositing on the first layer a second layer of polycrystalline diamond film having {100} crystallographic faceting, the second layer having a thickness sufficient to overgrow the roughness of said surface of said first layer with a continuous film.

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