发明授权
- 专利标题: Radial anisotropic ring magnet and method of manufacturing the ring magnet
- 专利标题(中): 径向各向异性环形磁铁及其制造方法
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申请号: US10526012申请日: 2003-08-27
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公开(公告)号: US07201809B2公开(公告)日: 2007-04-10
- 发明人: Koji Sato , Mitsuo Kawabata , Takehisa Minowa
- 申请人: Koji Sato , Mitsuo Kawabata , Takehisa Minowa
- 申请人地址: JP Tokyo
- 专利权人: Shin-Etsu Chemical Co., Ltd.
- 当前专利权人: Shin-Etsu Chemical Co., Ltd.
- 当前专利权人地址: JP Tokyo
- 代理机构: Birch, Stewart, Kolasch & Birch, LLP
- 优先权: JP2002-250657 20020829
- 国际申请: PCT/JP03/10844 WO 20030827
- 国际公布: WO2004/021371 WO 20040311
- 主分类号: H01F1/08
- IPC分类号: H01F1/08
摘要:
A radially anisotropic ring magnet endowed with good magnetic characteristics and having throughout the magnet an angle of 80 to 100° between a center axis thereof and a radial anisotropy imparting direction is manufactured by a pressing operation.
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