发明名称 |
Rewritable optical recording medium and manufacturing method and apparatus therefor |
摘要 |
A rewritable optical recording medium includes a segmented groove area in which the groove track is segmented along a rotating direction of the recording medium by groove non-forming portions to form a plurality of groove portions; and a continuous groove area in which a continuous groove is formed, the continuous groove having a groove width smaller than a groove width in the segmented groove area.
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申请公布号 |
US2002021658(A1) |
申请公布日期 |
2002.02.21 |
申请号 |
US20010898488 |
申请日期 |
2001.07.05 |
申请人 |
SASAKI YOSHIO;MARUYAMA TOSHIHIKO;MURAMATSU EIJI;KATO MASAHAIRO;OSHIMA SEIRO;TAGIRI TAKAO |
发明人 |
SASAKI YOSHIO;MARUYAMA TOSHIHIKO;MURAMATSU EIJI;KATO MASAHAIRO;OSHIMA SEIRO;TAGIRI TAKAO |
分类号 |
G11B7/24;G11B7/007;G11B7/26;(IPC1-7):G11B7/24 |
主分类号 |
G11B7/24 |
代理机构 |
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代理人 |
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地址 |
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