Optical disc base plate having a primer layer formed of an ultraviolet-cured resin composition
US4729938A · kind A · utility
28Cited by
3References
16Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 8, 1985 |
| Grant date | Mar 8, 1988 |
| Priority date | — |
| Expiry date | Nov 8, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical disc obtained by placing in parallel two optical disc base plates comprising a transparent substrate, a primer layer formed thereon, and a recording film formed thereon, or the transparent substrate and the primer layer being integrated into one body, wherein the primer layer is made from a special resin composition, is excellent in properties, particularly in moisture resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.