Developer carrying member, developing assembly, process cartridge, and image forming apparatus
US9261814B2 · kind B2 · utility
1Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2014 |
| Grant date | Feb 16, 2016 |
| Priority date | — |
| Expiry date | Nov 4, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0818
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing roller that is capable of carrying toner on a surface thereof, and that supplies the toner carried on the surface to a surface of a photosensitive drum when a voltage is applied thereto, includes: an elastic layer; and a surface layer that covers the elastic layer and contains aluminum oxide, wherein the aluminum oxide of the surface layer contains tetracoordinated aluminum atoms and hexacoordinated aluminum atoms existing in a higher proportion than the tetracoordinated aluminum atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.