Patent · US Expired

Alloyed donor roll coating

US6560432B1 · kind B1 · utility

5Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 5, 2001
Grant dateMay 6, 2003
Priority date
Expiry dateNov 5, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/0869
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner donor roll for use in a development apparatus of an electrophotographic apparatus is disclosed. The donor roll includes a conductive core of a ceramic outer coating over the conductive core, the ceramic coating formed from thermal spraying a single homogeneous powder consisting of particles each of which contains a specific ratio of pure alumina and pure titania held together with an organic binder.

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