发明授权
- 专利标题： Method for manufacturing rare earth magnet
- 专利标题（中）： 制造稀土磁铁的方法
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申请号： US09702130申请日： 2000-10-31
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公开(公告)号： US06482353B1公开(公告)日： 2002-11-19
- 发明人: Futoshi Kuniyoshi , Hitoshi Morimoto
- 申请人： Futoshi Kuniyoshi , Hitoshi Morimoto
- 优先权： JP11-323003 19991112; JP2000-120248 20000421
- 主分类号： B22F312
- IPC分类号： B22F312
摘要：
The method for manufacturing an R—Fe—B rare earth magnet of the present invention includes the steps of: compacting rare earth alloy powder having an oxygen content of 4000 wt. ppm or less by dry compacting under compression to produce a compact; impregnating the compact with an oil agent from the surface of the compact; and sintering the compact.
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