| 发明名称 |
Optical disk. |
| 摘要 |
<p>An optical disk for recording information, comprising a substrate (11) and a plurality of thin film layers (13, 14) disposed on said substrate (11), each film having different optical extinction coefficient from that is the others. The thin film layers (13, 14) can be converted into a single layer (17) when -irradiated with a recording beam (15).</p> |
| 申请公布号 |
EP0150829(A1) |
申请公布日期 |
1985.08.07 |
| 申请号 |
EP19850100780 |
申请日期 |
1985.01.25 |
| 申请人 |
KABUSHIKI KAISHA TOSHIBA;TOSHIBA AUTOMATION EQUIPMENT ENGINEERING LIMITED |
发明人 |
TAKAOKA, TAKASHI;KOYAHARA, SATORU;SAITO, TETSUO C/O PATENT DIVISION |
| 分类号 |
B41M5/26;G11B7/0045;G11B7/24;G11B7/243;(IPC1-7):G11B7/24 |
主分类号 |
B41M5/26 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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