Phase-change recording element for write once applications
US6605330B2 · kind B2 · utility
11Cited by
12References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2001 |
| Grant date | Aug 12, 2003 |
| Priority date | — |
| Expiry date | Jan 23, 2022 |
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 SbaXbSncZndSieOfSh wherein X is an element selected from In, Ge, Al, Zn, Mn, Cd, Ga, Ti, Si, Te, Nb, Fe, Co, W, Mo, S, Ni, O, Se, Tl, As, P, Au, Pd, Pt, Hf,or V and 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.