发明名称 |
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium |
摘要 |
<p>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.</p> |
申请公布号 |
EP1988546(A1) |
申请公布日期 |
2008.11.05 |
申请号 |
EP20080012343 |
申请日期 |
2000.10.24 |
申请人 |
VICTOR COMPANY OF JAPAN LTD. |
发明人 |
KONDO, TETSUYA;NAKAGAWA, EIJI;NAGANO, HIROHUMI |
分类号 |
G11B7/007;G11B7/013;G11B7/24;G11B7/24038;G11B7/24079;G11B7/24085;G11B7/26 |
主分类号 |
G11B7/007 |
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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