发明授权
- 专利标题: Process for producing magnet
- 专利标题(中): 磁铁制造工艺
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申请号: US12473429申请日: 2009-05-28
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公开(公告)号: US08394450B2公开(公告)日: 2013-03-12
- 发明人: Fumitaka Baba , Hideki Nakamura , Satoshi Tanaka , Takeshi Masuda
- 申请人: Fumitaka Baba , Hideki Nakamura , Satoshi Tanaka , Takeshi Masuda
- 申请人地址: JP Chuo-ku, Tokyo
- 专利权人: TDK Corporation
- 当前专利权人: TDK Corporation
- 当前专利权人地址: JP Chuo-ku, Tokyo
- 代理机构: Drinker Biddle & Reath LLP
- 优先权: JPP2008-141208 20080529
- 主分类号: B05D7/14
- IPC分类号: B05D7/14
摘要:
The process for producing a magnet according to the invention is characterized by comprising a first step in which a heavy rare earth compound containing Dy or Tb as a heavy rare earth element is adhered onto a sintered compact of a rare earth magnet and a second step in which the heavy rare earth compound-adhered sintered compact is subjected to heat treatment, wherein the heavy rare earth compound is a Dy or Tb iron compound.
公开/授权文献
- US20090297699A1 PROCESS FOR PRODUCING MAGNET 公开/授权日:2009-12-03
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