Patent · US Expired

Hard carbon film-coated substrate and method for fabricating the same

US6022622A · kind A · utility

15Cited by
6References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 4, 1997
Grant dateFeb 8, 2000
Priority date
Expiry dateSep 4, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31678
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A hard carbon film-coated substrate is disclosed which has between a substrate and a hard carbon film an interlayer principally comprised of at least one selected from the group consisting of Al, Cr, Sn, Co and B, oxides, nitrides and carbides thereof.

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