Patent · US Expired

Electrophotographic photoreceptor with two part surface layer

US5139911A · kind A · utility

65Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 28, 1989
Grant dateAug 18, 1992
Priority date
Expiry dateDec 28, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/14704
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electrophotographic photoreceptor comprising a conductive support having thereon an amorphous silicon photoconductive layer and a surface protective layer is disclosed, the surface protective layer having a laminated structure comprised of a lower layer comprising nitrogen-containing amorphous silicon and an upper layer comprising amorphous carbon. The photoreceptor causes no image deletion even after repeated use under a high temperature and high humidity condition and exhibits excellent scratch resistance.

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