Optical information recording medium
US4405706A · kind A · utility
33Cited by
9References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1982 |
| Grant date | Sep 20, 1983 |
| Priority date | — |
| Expiry date | Jun 14, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31909
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical information recording medium is disclosed. The medium is comprised of a plastic substrate made of acrylic resin, an undercoating comprised at least one of polyvinyl pyrrolidone and polyvinyl formal on the substrate, and a heat mode recording layer comprised of metal on the undercoating. The recording medium has improved adhesion between the recording layer and the substrate without decreasing the sensitivity of the recording layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.