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    • 5. 发明公开
    • 자성기재의 적층체 및 그 제조 방법
    • 磁性材料层压材料及其生产方法
    • KR1020060071424A
    • 2006-06-26
    • KR1020067005556
    • 2004-09-27
    • 미쓰이 가가쿠 가부시키가이샤
    • 요시다미츠노부마루코노부히로와타나베히로시
    • H01F1/12H01F1/153H01F3/02B82Y25/00
    • H01F1/15375H01F1/15333Y10T156/1092Y10T428/32Y10T428/325
    • [PROBLEMS] With respect to a laminate of a magnetic base material composed of a magnetic thin metal sheet and a polymer, to provide a laminate of a magnetic base material having an enhanced coefficient of thermal conductivity, since a conventional such laminate has a low coefficient of thermal conductivity and thus exhibits poor heat releasing property when the dissipation of the heat due to iron loss is intended. [MEANS FOR SOLVING PROBLEMS] Use is made of a laminate of a magnetic base material composed of a polymer layer and a magnetic thin metal sheet, characterized in that it has a coefficient of the volume resistance defined in JIS H 0505 in the direction perpendicular to the surface of the polymer layer of the laminate of less than 108 Omegacm. Said laminate can provide, when it is pressed, electroconductive points between the magnetic thin metal sheets, through the ejection of the polymer in the laminate to the outside thereof.
    • [问题]关于由磁性薄金属片和聚合物组成的磁性基材的叠层体,为了提供具有增强的导热系数的磁性基材的叠层体,由于常规的这种层压体具有低的系数 的导热性,因此,在考虑由铁损导致的热耗散的情况下,散热特性差。 解决问题的手段使用由聚合物层和磁性薄金属片构成的磁性基材的层压体,其特征在于,其具有与JIS H 0505中垂直的方向上规定的体积电阻系数 层压板的聚合物层的表面积小于108欧姆。 当层压体中的聚合物向其外部喷射时,所述层压体在被压制时可以提供在磁性薄金属片之间的导电点。