发明名称 RARE EARTH MAGNET
摘要 <P>PROBLEM TO BE SOLVED: To provide a rare earth magnet exhibiting sufficient corrosion resistance. <P>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. <P>COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005210094(A) 申请公布日期 2005.08.04
申请号 JP20040369994 申请日期 2004.12.21
申请人 TDK CORP 发明人 SAKAMOTO TAKESHI;MORI MASAMI;MOROOKA HISAO;HAGIWARA ATSUSHI;MIWA MASASHI
分类号 C23C14/08;C22C38/00;C23C16/40;H01F1/053;H01F1/08 主分类号 C23C14/08
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