发明名称 RARE EARTH MAGNET
摘要 There is provided a rare earth magnet with excellent Br and HcJ values. The rare earth magnet according to a preferred embodiment of the invention is characterized by being composed mainly of R (where R is at least one element selected from among rare earth elements including Y), B, Al, Cu, Zr, Co, O, C and Fe, wherein the content of each element is R: 25-34 wt%, B: 0.85-0.98 wt%, Al: 0.03-0.3 wt%, Cu: 0.01-0.15 wt%, Zr: 0.03-0.25 wt%, Co: ‰¤3 wt% (but not 0 wt%), O: ‰¤.2 wt%, C: 0.03-0.15 wt% and Fe: remainder.
申请公布号 EP2172947(A4) 申请公布日期 2017.03.22
申请号 EP20080790669 申请日期 2008.06.27
申请人 TDK Corporation 发明人 TSUBOKURA, Taeko;IWASAKI, Makoto;NAKANE, Makoto;BABA, Fumitaka
分类号 H01F1/053;C22C33/02;C22C38/00 主分类号 H01F1/053
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