发明授权
- 专利标题： Magneto-optic recording medium having a metal oxide recording layer
- 专利标题（中）： 具有金属氧化物记录层的磁光记录介质
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申请号： US674224申请日： 1984-11-23
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公开(公告)号： US4670323A公开(公告)日： 1987-06-02
- 发明人: Hitoshi Nakamura , Hazime Machida , Motoharu Tanaka , Atsuyuki Watada , Fumiya Omi , Nobuyuki Koinuma
- 申请人： Hitoshi Nakamura , Hazime Machida , Motoharu Tanaka , Atsuyuki Watada , Fumiya Omi , Nobuyuki Koinuma
- 申请人地址： JPX Tokyo
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX58-223003 19831126; JPX58-229657 19831205; JPX58-229658 19831205; JPX58-241773 19831221; JPX58-241774 19831221; JPX59-19237 19840203
- 主分类号： G11B5/706
- IPC分类号： G11B5/706 ; G11B11/105 ; H01F10/20 ; G11B7/24
摘要：
The present invention provides a metal oxide magnetic substance represented by the general formula I:MeO.n[Ga.sub.X M.sub.Y.sup.I Fe.sub.2-X-(m/3)Y O.sub.3 ](wherein, Me is at least one member of Ba, Sr and Pb. M.sup.I is at least one member of Zn, Sc, In, Cr, Ir, Ru, Rh, Ti, Ta, Sn and Ge, 5.ltoreq.n.ltoreq.6, O
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