Optical recording medium
US6197477A · kind A · utility
18Cited by
15References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 18, 1999 |
| Grant date | Mar 6, 2001 |
| Priority date | — |
| Expiry date | Aug 18, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical recording material including a substrate and a recording layer which is formed overlying the substrate, wherein the recording layer includes an azo chelate compound including an azo compound and at least one of a metal and a metal salt, and wherein the azo compound has the following formula (1): ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.