发明公开
- 专利标题： Rare earth-iron magnet and method of making same
- 专利标题（中）： 稀土磁铁及其制造方法
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申请号： EP87304948申请日： 1987-06-04
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公开(公告)号： EP0248665A3公开(公告)日： 1988-12-07
- 发明人: Suzuki, Teruo , Kishi, Matsuo , Muraishi, Katsuyoshi , Ogawa, Kenichi , Takashio, Hiroshi
- 申请人： SEIKO INSTRUMENTS INC.
- 专利权人： SEIKO INSTRUMENTS INC.
- 当前专利权人： SEIKO INSTRUMENTS INC.
- 优先权： JP13148786 19860606; JP13148886 19860606; JP15445686 19860701; JP15575186 19860702
- 主分类号： H01F01/04
- IPC分类号： H01F01/04 ; H01F01/08
摘要：
A rare earth-iron magnet consisting of a magnetic phase based on one or more rare earth elements and iron, has a sealing agent (2) filling the voids between grains of the magnet, and a coating layer (3) formed on the surface of the magnet.
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