Recordable optical media with a silver-gold reflective layer
US6292457A · kind A · utility
19Cited by
17References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1999 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Mar 31, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/2595
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is disclosed an optical recording media having a transparent substrate; a dye recording layer containing a metal complex of a porphym or phthalocyanine dye on said transparent substrate; a reflective layer provided on said dye layer wherein the reflective layer which is a mixture of silver and gold in such proportions that the gold is between about 0.5 and 15 atomic percent of said mixture; and a protective layer formed over said reflective layer. In accelerated keeping tests, the media of the invention exhibits excellent stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.