申请日期 | 2025-06-28 | 申请号 | JP2008012729 |
公开(公告)号 | JP4983619B2 | 公开(公告)日 | 2012-07-25 |
公开国别 | JP | 申请人省市代码 | 全国 |
申请人 | TDK Corporation3067 | ||
简介 | PROBLEM TO BE SOLVED : To provide a permanent magnet capable of achieving the enhancement of corrosion resistance and the lowering of demagnetization. SOLUTION : This permanent magnet 1 is a permanent magnet produced by providing a buffer layer 3 comprising, for example a Cu layer on the surface of a magnet element 2 containing rare earth elements and by further providing a protecting layer 4 comprising an Ni-P-Cu layer having a Cu content x of 0COPYRIGHT : (C)2009, JPO&INPIT |
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