申请日期 | 2024-11-18 | 申请号 | US10185767 |
公开(公告)号 | US6833036B2 | 公开(公告)日 | 2004-12-21 |
公开国别 | US | 申请人省市代码 | 全国 |
申请人 | TDK Corporation | ||
简介 | A rare earth permanent magnet consists of 20-40 wt % of at least one rare earth element R, 0.5-4.5 wt % of boron B, 0.03-0.5 wt % of M (at least one of Al, Cu, Sn and Ga), 0.01-0.2 wt % of Bi, and the balance being at least one transition metal element T. |
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