Patent · US Expired

Electrophotographic process using layered element containing p-type or n-type materials, with multiple charging steps and blanket irradiation

US4255505A · kind A · utility

5Cited by
8References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 31, 1978
Grant dateMar 10, 1981
Priority date
Expiry dateJul 31, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/102
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electrophotographic photosensitive member comprises a base, a photoconductive layer and an insulating layer, and the photoconductive layer contains an intermediate layer formed at the base side of the photoconductive layer. The intermediate layer facilitates injection of electric charge.

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