发明名称 |
Optical information recording medium and method for manufacturing the same |
摘要 |
<p>An optical information recording medium on which information can be recorded and reproduced by using a laser beam is provided. The medium includes a substrate with a guide groove and a multilayered metal film including at least a first metal layer, a barrier layer and a second metal layer that are deposited on the substrate in this order, or a single layer metal film including at least a metal layer and a recording layer are deposited on the substrate in this order. The second metal layer and the metal layer of the single layer metal film are a material containing A1 and a metal element (an additive) as main components.</p> |
申请公布号 |
EP1523001(A2) |
申请公布日期 |
2005.04.13 |
申请号 |
EP20040022261 |
申请日期 |
2004.09.18 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD |
发明人 |
HABUTA, HARUHIKO;YAMADA, NOBORU;NAGATA, KEN'ICHI;NISHIHARA, TAKASHI |
分类号 |
G11B3/00;G11B7/00;G11B7/2403;G11B7/243;G11B7/257;G11B7/26;(IPC1-7):G11B7/24 |
主分类号 |
G11B3/00 |
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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