发明名称 |
Information recording medium, and recording method and reproducing method thereof |
摘要 |
An information recording medium in which bottoms of a guide groove and a pit array formed on a disc substrate are allocated on a same flat plane and shaped in flat. Further, in a transition area from a pit array to a guide groove or from a guide groove to a pit array, the information recording medium is provided with an intermediate area composed of a pit array of which height changes from a height between a bottom and a side of a groove to another height between the bottom and a side of the pit array.
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申请公布号 |
US2005207287(A1) |
申请公布日期 |
2005.09.22 |
申请号 |
US20050131305 |
申请日期 |
2005.05.18 |
申请人 |
VICTOR COMPANY OF JAPAN, LIMITED |
发明人 |
UEKI YASUHIRO |
分类号 |
G11B7/007;G11B7/013;G11B7/09;G11B7/24;G11B7/24076;G11B7/24079;G11B7/24082;G11B7/24085;G11B7/26;G11B20/12;G11B21/08;G11B27/19;G11B27/24;G11B27/30;(IPC1-7):G11B21/08 |
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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