Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
US7551878B2 · kind B2 · utility
35Cited by
9References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2007 |
| Grant date | Jun 23, 2009 |
| Priority date | — |
| Expiry date | Sep 5, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/14765
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic photosensitive member has, on the surface of its photosensitive layer, has a plurality of depressed portions which are independent from one another, and, where the major-axis diameter of each depressed portion is represented by Rpc and the depth that shows the distance between the deepest part of each depressed portion and the opening thereof is represented by Rdv, the depressed portions each have a ratio of depth to major-axis diameter, Rdv/Rpc, of from more than 1.0 to 7.0 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.