Electrostatic recording medium
US4931359A · kind A · utility
5Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1988 |
| Grant date | Jun 5, 1990 |
| Priority date | — |
| Expiry date | Jul 15, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31902
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is an electrostatic recording medium comprising an electroconductive support and a dielectric layer formed on the electroconductive support and containing an insulating resin and a pigment, characterized in that the pigment comprises kaolin having a quartz content of not more than 2% by weight and that the dielectric layer has, on the surface thereof, projections based on the pigment and having an equivalent diameter of 5-15 um as spacers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.