发明名称 |
Phase-change optical recording media and optical recording-reproducing apparatus |
摘要 |
The present invention relates to an optical recording media including two or more information layers, at least one of the information layers including a writable recording film. In the optical recording media, at least one information layer has protrusions and recesses that permit tracking and at least another one information layer is substantially flat.
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申请公布号 |
US2006077878(A1) |
申请公布日期 |
2006.04.13 |
申请号 |
US20050224097 |
申请日期 |
2005.09.13 |
申请人 |
NAKAI TSUKASA;OOTERA YASUAKI;ASHIDA SUMIO;YUSU KEIICHIRO;YOSHIDA NOBUHISA;TAKAZAWA KOJI;NAKAMURA NAOMASA |
发明人 |
NAKAI TSUKASA;OOTERA YASUAKI;ASHIDA SUMIO;YUSU KEIICHIRO;YOSHIDA NOBUHISA;TAKAZAWA KOJI;NAKAMURA NAOMASA |
分类号 |
G11B7/24 |
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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