发明名称 |
OPTICAL INFORMATION RECORDING MEDIUM, OPTICAL INFORMATION RECORDING METHOD, AND OPTICAL INFORMATION RECORDING APPARATUS |
摘要 |
An information recording medium according to the present invention includes a plurality of recording layers, and a test area for determining a recording power of a laser light for each of the plurality of recording layers, in which a first test area of a first layer and a second test area of a second layer adjacent to the first layer are provided at different radial positions.
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申请公布号 |
US2011205874(A1) |
申请公布日期 |
2011.08.25 |
申请号 |
US201113005967 |
申请日期 |
2011.01.13 |
申请人 |
PANASONIC CORPORATION |
发明人 |
NARUMI KENJI;NISHIUCHI KENICHI |
分类号 |
G11B7/26;G11B7/00;G11B7/004;G11B7/007 |
主分类号 |
G11B7/26 |
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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