Method of producing an optical video disc
US6132545A · kind A · utility
7Cited by
2References
6Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 17, 1997 |
| Grant date | Oct 17, 2000 |
| Priority date | — |
| Expiry date | Nov 17, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/281
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of making a two-disc laminated optical disc, comprises: continuously producing two synthetic resin discs in one injection molding machine using one stamper; forming a reflecting film and a protection film on each synthetic resin disc; and bonding together the two synthetic resin discs by forming an adhesive layer therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.