Optical recording elements having recording layers containing mixtures of formazan and cyanine dyes
US5547728A · kind A · utility
17Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1995 |
| Grant date | Aug 20, 1996 |
| Priority date | — |
| Expiry date | Jan 30, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/21
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical recording element having a transparent substrate and on the surface of said substrate, a recording layer and a light reflecting layer wherein recording layer comprises a mixture of a metallized formazan dye and cyanine dye and the unrecorded layer is such that the real part of the refractive index (N) at 780 nm is not less than 1.8 and the imaginary part (k) is not greater than 0.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.