Optical recording medium
US5283094A · kind A · utility
9Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 1992 |
| Grant date | Feb 1, 1994 |
| Priority date | — |
| Expiry date | Apr 27, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical recording medium of a single plate type comprises a substrate, a recording layer overlying the substrate, a reflective layer overlying the recording layer, and a protective layer overlying the reflective layer, the recording layer being produced by coating a nonpolar solvent-soluble substituted phthalocyanine dye in a nonpolar solvent and the nonpolar solvent content of in the recording layer being 5% by weight or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.