申请日期 | 2025-07-14 | 申请号 | JP2002056674 |
公开(公告)号 | JP3921399B2 | 公开(公告)日 | 2007-05-30 |
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 Nd2 Fe14 B-based sintered magnet with the high maximum energy product. SOLUTION : The sintered magnet is characterized by including R (where R means at least one of rare earth elements, and contains Nd and/or Pr as an essential element) of 11.7-13.5 mol%, Cu of 0.01-0.1 mol%, B of 5-7 mol%, and the balance Fe substantially, and by having the maximum energy product of 400 kJ/m or more. |
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