Patent · US Expired

Image forming method and image bearing member

US4693951A · kind A · utility

15Cited by
8References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 1, 1984
Grant dateSep 15, 1987
Priority date
Expiry dateJun 1, 2004

Classification

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

Abstract

An image bearing member for forming a toner image on the surface thereof characterized in that said surface has a maximum surface roughness of 20 .mu.m or less, and an average surface roughness satisfying the relation of r.ltoreq.2d between the average surface roughness and a toner particle size, wherein r is the average surface roughness; and d is a mean particle size of the toner particles; a contact angle with water at least 70 degrees; or a pencil hardness of F or harder as measured according to the JIS test method K-5400; a process for forming image with said member, and an utility thereof.

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