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公开(公告)号：US20150287507A1
公开(公告)日：2015-10-08
申请号：US14436878
申请日：2013-10-25
Inventor： Shota Nishio , Takeshi Takahashi
CPC classification number: H01F3/08 , B22F1/0011 , B22F3/12 , B22F3/26 , B22F2003/023 , B22F2003/248 , B22F2998/10 , C22C33/02 , C22C2202/02 , H01F1/08 , H01F1/26 , H01F41/005 , H01F41/0246 , H01F41/0266 , B22F1/0003 , B22F2001/0066 , B22F3/02 , B22F3/1021
Abstract: A composite magnetic body includes metal magnetic powder formed of metal magnetic particles and an insulator impregnated into at least a part of voids among the metal magnetic particles. On a cumulative curve of widths of the voids among the metal magnetic particles, a void width at which a cumulative distribution is 50% is equal to or smaller than 3 μm, and a void width at which the cumulative distribution is 95% is equal to or greater than 4 μm.
Abstract translation: 复合磁体包括由金属磁性颗粒形成的金属磁性粉末和浸入金属磁性颗粒中至少一部分空隙的绝缘体。 在金属磁性颗粒之间的空隙宽度的累积曲线上，累积分布为50％的空隙宽度等于或小于3μm，累积分布为95％的空隙宽度等于 或大于4μm。
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公开(公告)号：US09881722B2
公开(公告)日：2018-01-30
申请号：US14436878
申请日：2013-10-25
Inventor： Shota Nishio , Takeshi Takahashi
IPC: H01F3/08 , H01F1/08 , B22F3/26 , H01F1/26 , H01F41/02 , B22F3/12 , H01F41/00 , C22C33/02 , B22F3/24 , B22F1/00 , B22F3/02
CPC classification number: H01F3/08 , B22F1/0011 , B22F3/12 , B22F3/26 , B22F2003/023 , B22F2003/248 , B22F2998/10 , C22C33/02 , C22C2202/02 , H01F1/08 , H01F1/26 , H01F41/005 , H01F41/0246 , H01F41/0266 , B22F1/0003 , B22F2001/0066 , B22F3/02 , B22F3/1021
Abstract: A composite magnetic body includes metal magnetic powder formed of metal magnetic particles and an insulator impregnated into at least a part of voids among the metal magnetic particles. On a cumulative curve of widths of the voids among the metal magnetic particles, a void width at which a cumulative distribution is 50% is equal to or smaller than 3 μm, and a void width at which the cumulative distribution is 95% is equal to or greater than 4 μm.
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