Patent · US Expired

Method and apparatus for layer depositions

US5690796A · kind A · utility

9Cited by
6References
44Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 5, 1995
Grant dateNov 25, 1997
Priority date
Expiry dateDec 5, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C14/0078
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

It is suggested for depositing layers of mechanically resistant material, in particular on highly stressed tools, to coat the workpieces (7) alternatingly by means of reactive cathode sputtering (1, 13) and to after-treat them by means of a further plasma discharge (3).

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