发明名称 |
OPTICAL INFORMATION RECORDING MEDIUM, AND SUBSTRATE AND MANUFACTURING METHOD FOR THE OPTICAL INFORMATION RECORDING MEDIUM |
摘要 |
In an optical disk including at least a rewritable phase change material and comprising a recording layer having a reflectivity of more than 15%, an address output value as an address pit signal component occupying in a reproduced signal in a non recording state is prescribed to be 0.18 though 0.27 or a numerical aperture of an address pit signal occupying in a reproduced signal in a non recording state is prescribed to be more than 0.3.
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申请公布号 |
US2010110870(A1) |
申请公布日期 |
2010.05.06 |
申请号 |
US20100685138 |
申请日期 |
2010.01.11 |
申请人 |
VICTOR COMPANY OF JAPAN, LIMITED |
发明人 |
KONDO TETSUYA;NAKAGAWA EIJI;NAGANO HIROFUMI |
分类号 |
G11B7/24;G11B7/007;G11B7/013;G11B7/135;G11B7/24038;G11B7/24079;G11B7/24085;G11B7/26 |
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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