Patent · US Expired

Vacuum evaporation system for deposition of thin films

US4380211A · kind A · utility

10Cited by
5References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 3, 1981
Grant dateApr 19, 1983
Priority date
Expiry dateSep 3, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C14/564
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A blower and a dust collector are communicated through valves with an evacuated process chamber in which are disposed one or more sets of a film-substrate holder and an evaporation source in such a way that the blower, the dust collector and the process chamber constitute a closed circuit.

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