Carrier, developer, developer container, image forming method and process cartridge
US7527908B2 · kind B2 · utility
14Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 2006 |
| Grant date | May 5, 2009 |
| Priority date | — |
| Expiry date | May 9, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/1139
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A carrier contains a core material; and a coated film containing a binder resin, and a particulate material, the coated film covering the core material, wherein a ratio (D/h) of an average particle diameter (D) of the particulate material to an average thickness (h) of the coated film is from 0.01 to 1, and wherein the carrier has concavities and convexities on the surface of the carrier, the concavities and convexities having a difference of elevation of from 0.05 to 2.0 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.