Electrophotographic resin-coated ferrite carrier, method for producing the same, and electrophotographic developer
US7964330B2 · kind B2 · utility
1Cited by
2References
8Claims
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Key dates
| Filing date | Mar 30, 2007 |
| Grant date | Jun 21, 2011 |
| Priority date | — |
| Expiry date | Apr 18, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/1131
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
There are adopted an electrophotographic resin-coated ferrite carrier having a carrier core coated with a resin, wherein a product of an apparent density ρ (g/cm3), average particle size d (μm) and BET specific surface area S (m2/g) of the carrier core satisfies the following condition, a method for producing the same, and an electrophotographic developer.4.5≦ρ×d×S≦8.5 (20≦d≦45)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.