Patent · US Expired

Electrostatic dust collector for use in vacuum system

US5125124A · kind A · utility

10Cited by
3References
5Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJun 26, 1990
Grant dateJun 30, 1992
Priority date
Expiry dateJun 26, 2010

Classification

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

Abstract

An electrostatic dust collector including a wall enclosing a vacuum chamber in which a target face to be subjected to dust removal is provided, a radiation emitting device for emitting radiation to dust on the target face so as to charge the dust positively or negatively, a dielectric member which is provided in the vacuum chamber and has a collecting face confronting the target face and a member for imparting negative or positive potential to the collecting face such that the dust charged oppositely is attracted to the collecting face.

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