Optical disc
US4835027A · kind A · utility
6Cited by
5References
19Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 27, 1987 |
| Grant date | May 30, 1989 |
| Priority date | — |
| Expiry date | Mar 27, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An optical disc wherein a transparent base plate is made from a special light-curable resin composition comprising at least one compound of the formula: ##STR1## wherein R.sub.1 =H or methyl and n=0-5, and a photopolymerization initiator, is excellent in heat resistance, mechanical strength, moisture resistance, etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.