- 专利标题： Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
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申请号： US13370626申请日： 2012-02-10
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公开(公告)号： US08335150B2公开(公告)日： 2012-12-18
- 发明人: Tetsuya Kondo , Eiji Nakagawa , Hirofumi Nagano
- 申请人： Tetsuya Kondo , Eiji Nakagawa , Hirofumi Nagano
- 申请人地址： JP Kanagawa
- 专利权人： JVC Kenwood Corporation
- 当前专利权人： JVC Kenwood Corporation
- 当前专利权人地址： JP Kanagawa
- 代理机构： Connolly Bove Lodge & Hutz LLP
- 优先权： JP11-334098 19991125; JP11-341821 19991201
- 主分类号： G11B7/24
- IPC分类号： G11B7/24
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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