Charging member for holding electrically conductive particles in cells
US6212346A · kind A · utility
11Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 1, 1999 |
| Grant date | Apr 3, 2001 |
| Priority date | — |
| Expiry date | Sep 1, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0241
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention relates to a charging apparatus in which, when a is a volume resistance value (.OMEGA.cm) of an electrically conductive particles, b is a volume resistivity value (.OMEGA.cm) of a foam body layer, c is a thickness (cm) of the foam body layer and d is a diameter (cm) of a cell, the following relationship is satisfied: EQU a.ltoreq.bc/10d.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.