Recording member for laser beam and process for recording
US4214249A · kind A · utility
66Cited by
14References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1976 |
| Grant date | Jul 22, 1980 |
| Priority date | — |
| Expiry date | Sep 21, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24917
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A laser beam recording member capable of recording information by absorbing the radiation energy of a laser beam to cause a thermal melting deformation and/or evaporation removal at the portion exposed to the laser beam wherein the recording layer is composed of a non-metallic layer mainly composed of S, Se, Te or chalcogenide compounds thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.