Optical recording layers containing sulfur
US5470626A · kind A · utility
0Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 1995 |
| Grant date | Nov 28, 1995 |
| Priority date | — |
| Expiry date | Feb 21, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical recording element comprising, in the following order, a transparent substrate bearing an optical recording layer containing a phthalocyanine dye and a gold reflective layer characterized in that the recording layer comprises sufficient sulfur or sulfur compound to prevent defects in the gold reflective layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.