Carrier, two-component developer, supplemental developer, image forming method, process cartridge and image forming apparatus
US9519234B2 · kind B2 · utility
0Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2013 |
| Grant date | Dec 13, 2016 |
| Priority date | — |
| Expiry date | Jun 26, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F1/01
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
There is provided a carrier including magnetic core particles; and a coating layer on a surface of each of the magnetic core particles, wherein the coating layer contains electroconductive particles; wherein the electroconductive particles are electroconductive particles in which white inorganic pigments are coated with phosphorus-doped tin or tungsten-doped tin; and wherein a dope ratio of phosphorus or tungsten to tin in the phosphorus-doped tin or tungsten-doped tin is 0.010 to 0.100.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.