发明名称 |
Optical disk and optical disk device |
摘要 |
A first recording layer for recording information of an optical disk and a second recording layer of the optical disk on which a visible image can be recorded are disposed at an interval of 0.5 mm or more. Thus, even when a high power laser is used on one of the layers, data on the other layer will not be destroyed.
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申请公布号 |
US2006018243(A1) |
申请公布日期 |
2006.01.26 |
申请号 |
US20050187859 |
申请日期 |
2005.07.25 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
OHTSUBO KAZUMI;SAKAI HIROAKI;HORINOUCHI SHOGO;IDE KAZUHISA |
分类号 |
G11B7/24 |
主分类号 |
G11B7/24 |
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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