Recordable optical element using low absorption materials
US6168901A · kind A · utility
0Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 1995 |
| Grant date | Jan 2, 2001 |
| Priority date | — |
| Expiry date | Mar 7, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is disclosed a recordable optical element that has a substrate and on the surface of the substrate, a recording layer and a light reflecting layer. The recording layer has a material with the formula EQU Te.sub.a Ge.sub.b C.sub.c H.sub.d O.sub.e wherein a, b, c, d, and e are atomic percents and (c+d)>40, d>10, a>5, b>5, and e.gtoreq.0 such that a+b+c+d+e=100; and the reflecting layer and the recording layer being selected such that the element R.sub.max or R.sub.min (element reflectivity) is about or greater than 70% at about 780 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.