| 发明名称 |
Optical recording medium |
| 摘要 |
<p>A phase-change optical recording medium including a recording layer of a tellurium alloy comprising at least a metal M, antimony Sb and germanium Ge added to tellurium and having the following composition formula: Mz(SbxTe1-x)1-y-z(Ge0.5Te0.5)y 0.35 </= x </= 0.7 0.2 </= y </= 0.5 0.0001 </= z < 0.05 wherein the metal M is one kind of metal selected from the group consisting of niobium Nb and platinum Pt; and the subscripts x, y, 1-x and 1-y-z the numbers of atoms of elements (molar number of elements). <IMAGE></p> |
| 申请公布号 |
EP0594277(B1) |
申请公布日期 |
1998.12.02 |
| 申请号 |
EP19930302767 |
申请日期 |
1993.04.08 |
| 申请人 |
TORAY INDUSTRIES, INC. |
发明人 |
OHBAYASHI, GENTARO;KAKUO, KAZUO;HIROTA, KUSATO;SEO, NAOYA |
| 分类号 |
G11B7/24;G11B7/243;G11B7/253;G11B7/2533;G11B7/254;G11B7/2542;G11B7/258;G11B7/2585;(IPC1-7):G11B7/00 |
主分类号 |
G11B7/24 |
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