Article for optical data storage device
US6221556A · kind A · utility
78Cited by
27References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 1999 |
| Grant date | Apr 24, 2001 |
| Priority date | — |
| Expiry date | Mar 5, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is an article for the optical storage of data having low birefringence prepared from a mixture of a polycarbonate and a cycloaliphatic polyester. The article may optionally have stabilization and mold release additives that retain transparency, color and processability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.