Magnetooptical recording medium
    7.
    发明授权
    Magnetooptical recording medium 失效
    磁光记录介质

    公开(公告)号:US4693943A

    公开(公告)日:1987-09-15

    申请号:US671978

    申请日:1984-11-16

    摘要: A magnetooptical recording medium of an amorphous magnetic alloy film of a composition which as an axis of easy magnetization in a direction perpendicular to the film surface represented by I, II or III:[(GdTb).sub.1-y (FeCo).sub.y ].sub.1-p Cr.sub.p (I)wherein 0.5.ltoreq.y.ltoreq.0.9 and 0.001.ltoreq.p.ltoreq.0.3;(GdTbFe).sub.1-(p+q) Cr.sub.p X.sub.q (II)wherein X can be either silicon or aluminum; p.gtoreq.0.001, q.gtoreq.0.001 and (p+q).ltoreq.0.3; or[(GdTb).sub.1-y (FeCo).sub.y ].sub.1-(p+q) Cr.sub.p X.sub.q (III)wherein X can be either silicon or aluminum, 0.5.ltoreq.y.ltoreq.0.9, p>0.001, q.gtoreq.0.001 and (p+q).ltoreq.0.3.

    摘要翻译: 作为在与I,II或III表示的膜表面垂直的方向上的易磁化轴的组成的非晶磁性合金膜的磁光记录介质:[(GdTb)1-y(FeCo)y] 1- pCrp(I)其中0.5≤y≤0.9且0.001≤p≤0.3; (GdTbFe)1-(p + q)CrpXq(II)其中X可以是硅或铝; p> / = 0.001,q> / = 0.001和(p + q) 0.001, = 0.001,(p + q)<0.3。