Patent · US Expired

Charging member, process cartridge, and image forming apparatus

US6317574A · kind A · utility

11Cited by
9References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 2000
Grant dateNov 13, 2001
Priority date
Expiry dateFeb 22, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0233
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A charging member is disposed in contact with an electrophotographic photosensitive member and charges the surface of the electrophotographic photosensitive member electrostatically upon application of a voltage. The charging member has a conductive support, a base layer and a surface layer which are formed on the conductive support. The surface layer contains fluorine resin particles as a filler and a fluorine resin as a binder resin.

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