Image forming apparatus including developer contact media having nano-scale roughness
US8315544B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Aug 19, 2009 |
| Grant date | Nov 20, 2012 |
| Priority date | — |
| Expiry date | Jan 23, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0818
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Provided is an image forming apparatus which includes a developer to develop an image and a developer contact medium of which a surface contacts the developer, wherein asperities with a density of about 4×108 to about 200×108 pcs/cm2 are formed to form roughness on the surface of the developer contact medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.