发明名称 |
Optical recording medium having a plurality of guide tracks transfer regions |
摘要 |
A recording medium has a recording layer capable of be performed in recording or reproducing of information with light irradiation and carried with a substrate. The recording medium includes a guide layer having guide tracks each followed by a light beam spot focused from an objective lens through the recording layer, the guide tracks disposed at a first pitch. The recording medium includes a guide track transfer region provided on the guide layer and having at least one line of a track arranged in parallel between the guide tracks adjacent to each other in the extending direction of the guide track so as to be in a direction perpendicular to the guide track within a range shorter than that of the guide track.
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申请公布号 |
US7453791(B2) |
申请公布日期 |
2008.11.18 |
申请号 |
US20040001648 |
申请日期 |
2004.12.02 |
申请人 |
PIONEER CORPORATION |
发明人 |
OGASAWARA MASAKAZU;TACHIBANA AKIHIRO;KUBOTA YOSHIHISA |
分类号 |
G03H1/02;G11B7/24;G11B7/00;G11B7/004;G11B7/0065;G11B7/007;G11B7/085;G11B7/09;G11B7/135 |
主分类号 |
G03H1/02 |
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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