Information recording medium
US5024927A · kind A · utility
36Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 1989 |
| Grant date | Jun 18, 1991 |
| Priority date | — |
| Expiry date | Oct 4, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An information recording medium comprising a substrate, and a recording layer formed thereon which comprises (a) a carbon-based material and (b) an optically reversible material whose optical characteristics can be reversibly changed, with the thermal decomposition temperature of the carbon-based material being higher than the melting point of the optically reversible material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.