Optical recording medium, optical recording material and metal complex compound
US8309196B2 · kind B2 · utility
0Cited by
6References
11Claims
0Family size
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Key dates
| Filing date | Aug 25, 2011 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Aug 25, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/259
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical recording medium having excellent light resistance that includes a substrate; and a recording layer which is provided on the substrate directly or on another layer provided on the substrate, wherein the recording layer is capable of recording and/or reading information by irradiating light thereon, the recording layer including a metal complex compound comprising an azo compound having a coupler component with a Meldrum's acid structure and a diazo component with a nitrogen-containing heterocyclic aromatic ring structure, and a metal ion coordinated to the azo compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.