发明授权
- 专利标题: Flat soft magnetic material and process for its production
- 专利标题(中): 扁平软磁材料及其生产工艺
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申请号: US12426528申请日: 2009-04-20
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公开(公告)号: US08038808B2公开(公告)日: 2011-10-18
- 发明人: Atsuhito Matsukawa , Katsuhiko Wakayama , Hideharu Moru , Naoyoshi Sato , Yoshihito Hirai , Toshihisa Murayoshi
- 申请人: Atsuhito Matsukawa , Katsuhiko Wakayama , Hideharu Moru , Naoyoshi Sato , Yoshihito Hirai , Toshihisa Murayoshi
- 申请人地址: JP Tokyo
- 专利权人: TDK Corporation
- 当前专利权人: TDK Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: Drinker Biddle & Reath LLP
- 优先权: JPP2008-112863 20080423
- 主分类号: H01F1/147
- IPC分类号: H01F1/147 ; H01F1/20
摘要:
A flat soft magnetic material to be used for a noise-suppressing magnetic sheet, wherein the 50% particle size D50 (μm), coercive force Hc (A/m) and bulk density BD (Mg/m3) of the flat soft magnetic material satisfy the following formula (1). D50/(HC×BD)≧1.5 (1)
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