Patent · US Expired

Method of improving the quality of an edge surface of a cutting device

US5053245A · kind A · utility

17Cited by
0References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 25, 1990
Grant dateOct 1, 1991
Priority date
Expiry dateOct 25, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C14/0605
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A method of improving the quality of an edge surface of a cutting device, the method comprising a first step of irradiating assisting ions obtained from a first substance, which is in the state of gas in the room temperature, and a second substance, which is vapor-deposited from a hard material, onto a surface of a base body to form a first layer comprising of the hard material influenced by the assisting ions; and a second step of irradiating the second substance onto the first layer in an atmosphere of the first substance to form a second layer.

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