Optical recording medium
US4735889A · kind A · utility
30Cited by
3References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1985 |
| Grant date | Apr 5, 1988 |
| Priority date | — |
| Expiry date | Dec 2, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/162
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
This invention relates to an optical recording medium comprising a recording layer of a dye or dye composition on a substrate and adapted to be written and read using light such as laser or the like. The optical recording medium of the invention is characterized by further comprising a surface layer formed of a coating of a colloidal particle dispersion of a silicon base condensate on the recording layer, with improved S/N ratio as well as improved writing sensitivity and reading output of the optical recording medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.