Electrosensitive recording method
US4042936A · kind A · utility
10Cited by
3References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 29, 1975 |
| Grant date | Aug 16, 1977 |
| Priority date | — |
| Expiry date | Jul 29, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D15/06
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A recording method comprising the steps of selectively applying electric current or discharge to the member comprising a substrate; an electrically conductive, light colored intermediate layer disposed on the substrate, the color of the intermediate layer being convertible to a darker color in response to the application of the electrical current or discharge, and a white surface layer disposed directly on the intermediate layer, the white surface layer being no greater than approximately 10 microns thick.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.