A soft magnetic material includes a plurality of composite magnetic particles including a metal magnetic particle and an insulating film surrounding a surface of the metal magnetic particle. The insulating film also contains a phosphate. The soft magnetic material further includes an aromatic polyetherketone resin and a metallic soap and/or an inorganic lubricant having a hexagonal crystal structure. The metallic soap and the inorganic lubricant are particles with an average particle size of not more than 2.0 μm.
申请公布号
US8241518(B2)
申请公布日期
2012.08.14
申请号
US20070300893
申请日期
2007.05.15
申请人
IGARASHI NAOTO;NISHIOKA TAKAO;SHIMADA YOSHIYUKI;AKAO TSUYOSHI;SUMITOMO ELECTRIC INDUSTRIES, LTD.;DENSO CORPORATION;SUMITOMO ELECTRIC SINTERED ALLOY, LTD.