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RARE-EARTH MAGNET AND METHOD FOR MANUFACTURING SAME 发明申请

2023-09-03 4690 64K 0

专利信息

申请日期 2025-07-11 申请号 JP2004380141
公开(公告)号 JP2006186216A 公开(公告)日 2006-07-13
公开国别 JP 申请人省市代码 全国
申请人 TDK CORP
简介 PROBLEM TO BE SOLVED : To provide a method for manufacturing a rare-earth magnet capable of simply and easily obtaining a rare-earth magnet having a high residual magnetic flux density, and to provide a rare-earth magnet can be obtained by the manufacturing method. SOLUTION : The method for manufacturing the rare-earth magnet comprises the steps of blending a magnetic powder, molding the magnetic powder, and sintering the molded magnetic powder. In the blending step of the magnetic powder, a first magnetic powder comprising a magnetic material including a rare-earth element, a transition element, and a boron (B), and having an average grain diameter of not more than 10 μm; and a second magnetic powder comprising a magnetic material including a rare-earth element, a transition element, and a boron (B), and having a second average grain diameter of not more than 10 μm and different from the first average grain diameter are mixed. COPYRIGHT : (C)2006, JPO&NCIPI


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