发明名称 Magneto-optical storage medium and optical disk drive
摘要 A magneto-optical storage medium that protects against the effects of cross-talk, making it possible to further reduce the level of track density, and which also makes it possible to conduct high-density recording/playback with a reduced magnetic field for erasure and a favorable level of playback signal quality. More specifically, a magneto-optical storage medium, which includes at least the following laminated layers, in the following order: a playback layer, a non-magnetic layer, a transfer layer, a cut-off layer, and a recording layer. The playback layer preferably displays easy in-plane magnetization characteristics within the monolayer at room temperature, and the transfer layer and the recording layer each have easy magnetization characteristics in the vertical direction of the monolayers at room temperature when each layer is considered as a monolayer. In addition, if the Curie temperature for the cut-off layer is designated as Tc<SUB>s</SUB>, and the Curie temperature for the recording layer is designated as Tc<SUB>k</SUB>, then Tc<SUB>s</SUB><TC<SUB>k</SUB>.
申请公布号 US7050361(B2) 申请公布日期 2006.05.23
申请号 US20020104890 申请日期 2002.03.22
申请人 FUJITSU LIMITED 发明人 HOSOKAWA TETSUO
分类号 G11B11/00;G11B11/105;G11B5/09;G11B7/24 主分类号 G11B11/00
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