| 发明名称 |
Optical information recording medium. |
| 摘要 |
<p>There is provided a rewritable tri-layer optical information recording medium of the phase change type having a high sensitivity. In this medium, a reflective layer (5) is formed by a thin film of an Ni-Cr alloy or an Au-Cr alloy.</p> |
| 申请公布号 |
EP0251286(A1) |
申请公布日期 |
1988.01.07 |
| 申请号 |
EP19870109353 |
申请日期 |
1987.06.29 |
| 申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
NAGATA, KENICHI;YAMADA, NOBORU |
| 分类号 |
G11B7/258;G11B7/2595;(IPC1-7):G11B7/24 |
主分类号 |
G11B7/258 |
| 代理机构 |
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代理人 |
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