Patent · US Expired

Process for depositing a ceramic coating on a filament

US5156883A · kind A · utility

1Cited by
9References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 2, 1991
Grant dateOct 20, 1992
Priority date
Expiry dateJul 2, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C16/545
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A process for depositing a ceramic coating on a filament, which comprises heating the filament by passage of an electric current via at least two electrodes, and passing the heated filament through a deposition chamber containing games which on contact with the hot filament deposit the required coating; characterized in that after deposition of the coating, the coated filament passes through an electrode containing a liquid metal mixture which is a mercury/indium or mercury/cadmium amalgam or a gallium/indium mixture.

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