Optical disc
US4668550A · kind A · utility
25Cited by
1References
9Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 26, 1986 |
| Grant date | May 26, 1987 |
| Priority date | — |
| Expiry date | Jun 26, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31605
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Optical discs obtained by using as a primer layer formed on a transparent substrate and under a metal-made recording film a cured ultraviolet-curable resin composition comprising (a) a reaction product of isophorone diisocyanate or the like and an acrylate or methacrylate, (b) a diacrylate or dimethacrylate and (c) a photopolymerization initiator are excellent in recording sensitivity, moisture resistance, heat resistance, adhesive properties, reliability, etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.