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.
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
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