Phase-change recording element for write once applications
US6544617B1 · kind B1 · utility
4Cited by
13References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 9, 2001 |
| Grant date | Apr 8, 2003 |
| Priority date | — |
| Expiry date | Sep 19, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/21
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A WORM optical recording element comprising a substrate and a phase-change recording layer wherein the phase-change recording layer has a composition expressed by SbaInbSncZndSieOfSh wherein a>0, b>0, c>0, d>0, e>0, f>0, h>0, and a+b+c+d+e+f+h=100
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.