| 申请日期 | 2026-04-21 | 申请号 | JP2004369994 |
| 公开（公告）号 | JP2005210094A | 公开（公告）日 | 2005-08-04 |
| 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 rare earth magnet exhibiting sufficient corrosion resistance. SOLUTION : The rare earth magnet 100 comprises a magnet element 10 containing a rare earth element, and a protective layer 20 formed on the surface of the magnet element 10 to have sulfuration resistance and containing an oxide of one kind or more of elements selected from a group of Al, Ta, Zr, Hf, Nb, Si, Ti, Mg, Cr, Ni, Ba, Mo, V, W, Zn, Sr, Fe, Bi, B, Ca, Ga, Ge, La, Pb and In. | ||
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