发明名称 |
OPTICAL INFORMATION RECORDING MEDIUM AND OPTICAL INFORMATION RECORDING METHOD, OPTICAL INFORMATION RECORDING DEVICE |
摘要 |
An optical information recording medium comprising a first information recording layer onto which information is recorded by a laser beam, and a second information recording layer onto which information is recorded by a laser beam that has passed the first information recording layer, wherein the first information recording layer includes at least one of a reproduction-only area and a recording/reproducing area, and the second information recording layer, which includes a test recording area, has at least one of the reproduction-only area and the recording/reproducing area and the test area located therein so that one of the reproduction-only area and the recording/reproducing area includes an area, in the first information recording layer, through which a laser beam for recording information into the test recording area passes. |
申请公布号 |
WO0223542(A1) |
申请公布日期 |
2002.03.21 |
申请号 |
WO2001JP07927 |
申请日期 |
2001.09.12 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.;NARUMI, KENJI;NISHIUCHI, KENICHI |
发明人 |
NARUMI, KENJI;NISHIUCHI, KENICHI |
分类号 |
G11B7/00;G11B7/007;G11B7/24038;(IPC1-7):G11B7/007 |
主分类号 |
G11B7/00 |
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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