High resolution video storage disk
US4360583A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1980 |
| Grant date | Nov 23, 1982 |
| Priority date | — |
| Expiry date | Dec 15, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to high resolution video storage disks comprising a substrate having disposed thereon a film of a monofunctionalized substituted tetraheterofulvalene compound and a halocarbon. The tetraheterofulvalene compound can have the molecular formula ##STR1## where X can be S and/or Se R can be an alkyl group having from about 1 to about 8 carbon atoms or a benzyl group wherein said benzyl group can be a part of a polymer chain; PA1 and Y can be either an ester or an ether.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.