Optical recording medium, optical recording material and metal complex compound
US8075976B2 · kind B2 · utility
1Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2006 |
| Grant date | Dec 13, 2011 |
| Priority date | — |
| Expiry date | Jun 13, 2028 |
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 includes a metal complex compound with an azo compound having a coupler component with indandione and a diazo component with a nitrogen-containing heterocyclic aromatic ring structure, and a nickel or cobalt ion coordinated to the azo compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.