Optical recording medium having optical reaction layer
US6724715B1 · kind B1 · utility
1Cited by
3References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2000 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Feb 11, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B11/10593
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical recording medium improves recording density at a simple structure by forming an optical reaction layer, which transmits a laser beam at a predetermined temperature, on or below of a recording layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.