Recording member and process for recording
US4069487A · kind A · utility
93Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1975 |
| Grant date | Jan 17, 1978 |
| Priority date | — |
| Expiry date | Dec 22, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31681
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A recording member for recording a laser beam bearing an information by deformation of a recording layer comprises a support, a recording layer of a non-metallic material and a protecting layer which is not destroyed by the laser beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.