发明授权
- 专利标题: Magneto optical recording medium capable of preventing a reproduction layer from having a degraded characteristic
- 专利标题(中): 能够防止再现层具有劣化特性的磁光记录介质
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申请号: US09669454申请日: 2000-09-25
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公开(公告)号: US06590836B1公开(公告)日: 2003-07-08
- 发明人: Atsushi Yamaguchi , Hitoshi Noguchi , Hiroki Ishida
- 申请人: Atsushi Yamaguchi , Hitoshi Noguchi , Hiroki Ishida
- 优先权: JP11-277065 19990929
- 主分类号: G11B1100
- IPC分类号: G11B1100
摘要:
On a dielectric layer of SiN a reproduction layer, a non-magnetic layer of SiN and a recording layer of TbFeCo are formed to provide a magneto optical recording medium. The reproduction layer is formed of a first layer corresponding to a Gd layer, a second layer formed of GdFeCo and a third layer corresponding to a Gd layer. As such, the magneto optical recording medium, with the non-magnetic layer formed in contact with the reproduction layer, can prevent the non-magnetic layer from affecting the reproduction layer and thus prevent the reproduction layer from having a degraded characteristic.
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