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    • 1. 发明授权
    • Process for producing alloy, alloy and alloy containing sheets made
therefrom
    • 用于制造由其制成的合金,合金和合金的片材的方法
    • US06143096A
    • 2000-11-07
    • US812944
    • 1997-03-04
    • Shinichi KitahataHisao Kanzaki
    • Shinichi KitahataHisao Kanzaki
    • G06K19/06G11B5/706H01F1/00
    • H01F1/0027G06K19/06196G11B5/70605
    • A powdery alloy mainly composed of Mn--Bi having particle diameter of 5 .mu.m or less which has a magnetic anisotropy of 6000 Oe or more in coercive force and 35 emu/g or more in saturation magnetization, wherein the size of crystallite according to Scheler's formula is 700 .ANG. or less; and an alloy containing sheet of 0.5 to 10 .mu.m thickness in which a powdery alloy mainly composed of Mn--Bi having particle diameter of 5 .mu.m or less which has a magnetic anisotropy of 6000 Oe or more in coercive force and 35 emu/g or more in saturation magnetization is bound with a binder into a sheet of 0.5 to 10 .mu.m thickness in a state magnetically oriented toward said direction of magnetic anisotropy, wherein when said sheet is measured toward said magnetic anisotropy direction at 16 kOe and 5 kOe, the ratio of residual magnetic flux density Mr16k and Mr5k (Mr5k/Mr16k) is 0.85 or more.
    • 主要由粒径5μm以下的Mn-Bi构成的粉末状合金,矫顽磁力各向异性为6000Oe以上,饱和磁化强度为35emu / g以上,其中,Scheler's 公式为700 ANGSTROM以下; 以及厚度为0.5〜10μm的含有合金的片材,其中主要由粒径为5μm以下的Mn-Bi构成的粉末状合金,其矫顽磁力各向异性为6000Oe以上,35emu / g 或更多的饱和磁化强度与粘结剂结合成在磁性方向朝向所述磁各向异性方向磁性取向的状态下为0.5至10μm厚的片材,其中当所述片材以16kOe和5kOe朝向所述磁各向异性方向测量时, 剩余磁通密度Mr16k和Mr5k(Mr5k / Mr16k)的比率为0.85以上。