Optical recording medium
US4713314A · kind A · utility
24Cited by
1References
44Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 4, 1986 |
| Grant date | Dec 15, 1987 |
| Priority date | — |
| Expiry date | Feb 4, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/165
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to an optical recording medium for effecting writing of information by means of recording light such as laser and reproduction or reading of the recorded information by means of reproduction or reading light, and provides an optical recording medium designed to prevent any degradation of the properties by the reading light and any lowering of writing sensitivity and reading S/N ratios. The optical recording medium including a recording layer 2 on a substrate 1 is characterized in that the recording layer 2 contains a mixture of a cyanine dye with a combination of cyanine dye cation with quencher anion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.