Patent · US Expired

Method of sputtering a mixture of hexagonal boron nitride and stainless steel onto a steel vessel and heating the film so as to precipitate the boron nitride onto the film surface

US5192409A · kind A · utility

1Cited by
3References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 3, 1992
Grant dateMar 9, 1993
Priority date
Expiry dateApr 3, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S148/158
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A material for high-vacuum vessels characterized by depositing a mixture film of stainless steel and boron nitride on the surface of a metal or an alloy through the sputtering process, and heating and precipitating hexagonal boron nitride onto the surface thereof.

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