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    • 3. 发明授权
    • Magnetic composite, method for producing the same, and shielding structure
    • 磁性复合材料,其制造方法和屏蔽结构
    • US08330055B2
    • 2012-12-11
    • US12642110
    • 2009-12-18
    • Tomoaki UedaMasanori Abe
    • Tomoaki UedaMasanori Abe
    • H05K9/00H01F1/03H01F1/00
    • H05K9/0086H05K9/0024
    • The present invention provides a magnetic composite capable of enhancing the effect of shielding against electromagnetic noise and the like (magnetic shielding effect) while inhibiting a possible eddy current, and a method for producing the magnetic composite, and a shielding structure comprising the magnetic composite. A shielding member 10 as a magnetic composite contains a resin 12 which is an insulator and serves as a matrix material and into which fine powders of an amorphous metal magnetic substance 10a containing Fe, Si, and B are mixed. In the shielding member 10, a plurality of the amorphous metal magnetic substances 10a are contained in the resin 12 at a volume fraction less than a percolation threshold. The type of the amorphous metal magnetic substance 10a is not particularly limited provided that the amorphous metal contains Fe, Si, and B.
    • 本发明提供一种能够在抑制可能的涡流的同时增强屏蔽电磁噪声等的磁性复合物(磁屏蔽效应),以及磁复合体的制造方法以及包含该磁性复合体的屏蔽结构体。 作为磁性复合体的屏蔽部件10包含作为绝缘体的树脂12,作为基体材料,并且含有Fe,Si,B的非晶质金属磁性体10a的微细粉末混入其中。 在屏蔽部件10中,多个非晶质金属磁性体10a以小于渗透阈值的体积分率包含在树脂12中。 无定形金属磁性体10a的种类没有特别限定,只要非晶态金属含有Fe,Si,B即可。