POWDER CORE AND HIGH-FREQUENCY REACTOR USING THE SAME

申请公布号：US2003150523(A1)

申请号：US20020052702

申请日期：2002.01.17

申请公布日期：2003.08.14

申请人：

NEC TOKIN CORPORATION

发明人：FUJIWARA TERUHIKO;ISHII MASAYOSHI;SAITO YOSHITAKA

分类号：B22F1/00;C22C38/02;H01F1/147;H01F1/24;H01F1/26;H01F1/33;H01F3/08;H01F3/14;H01F17/04;H01F27/255;H01F37/00;H01F41/02;(IPC1-7):H01F1/09

主分类号：B22F1/00

摘要：A powder core is obtained by compaction-forming magnetic powder. The magnetic powder is an alloy comprising 1-10 wt % Si, 0.1-1.0 wt % O, and balance Fe. An insulator comprising SiO2 and MgO as main components is interposed between powder particles having a particle size of 150 mum or less.

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FRP METHOD FOR MANUFACTURING FIBER REINFORCED PLASTIC

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METHOD FOR REMOVAL OF ZINC FROM GALVANIZED STEEL

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