Electrophoretic imaging members
US3954465A · kind A · utility
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4References
6Claims
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Assignee
Inventors
Key dates
| Filing date | Aug 19, 1974 |
| Grant date | May 4, 1976 |
| Priority date | — |
| Expiry date | Aug 19, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/167
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophoretic imaging process wherein a suspension of particles in a carrier liquid are placed between a photoconductive electrode and a second electrode. With an electrical field applied between the photoconductive electrode and the second electrode the photoconductor is exposed to imagewise radiation which causes particles on the surface of the photoconductive electrode to be driven away in image configuration by charge exchange with the photoconductive electrode. The migrating particles form a negative image on the second electrode leaving a positive image behind on the photoconductive electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.