发明名称 Magnetooptic recording medium and method for producing the same
摘要 A magneto-optical recording medium (D 1 ) includes a soft magnetic layer ( 2 ) and a magneto-optical recording layer ( 3 ) laminated sequentially onto a substrate ( 1 ) and is provided with a plurality of grooves (G) and lands (L). The product of the saturation magnetic flux density and thickness of the soft magnetic layer ( 2 ) is made different for the respective grooves (G) and lands (L). Thus, with respect to each groove (G) and each land (L), the magnetic focusing effect can be enhanced for one of these with a greater product of saturation magnetic flux density and thickness of the soft magnetic layer ( 2 ), while the effect can be weakened for the other one with a smaller product of saturation magnetic flux density and thickness of the soft magnetic layer. This enables the incidence of cross-writing to be suppressed.
申请公布号 US2005226136(A1) 申请公布日期 2005.10.13
申请号 US20050126090 申请日期 2005.05.10
申请人 FUJITSU LIMITED 发明人 MORIBE MINEO;UMADA TAKAHIRO;SHONO KEIJI
分类号 G11B11/105;(IPC1-7):G11B7/24 主分类号 G11B11/105
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