Photochromic material for electro-optic storage memory
US5847141A · kind A · utility
9Cited by
8References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 22, 1995 |
| Grant date | Dec 8, 1998 |
| Priority date | — |
| Expiry date | Dec 22, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2007/0009
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to the field of photochromic material, in particular of photochromic compounds and matrices suitable for use in optical memory systems, including three dimensional optical memory systems for computers, multimedia applications and the like. The photochromic compounds have the following formula: ##STR1## wherein the substituents are defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.