Oliff & Berridge, PLC
Rare-earth sintered magnet containing a nitride, rotator containing rare-earth sintered magnet, and reciprocating motor containing rare-earth sintered magnet
The present invention relates to a rare-earth sintered magnet 100 containing an R-T-B-based alloy and a nitride of a transition element, while the nitride is distributed preferentially to a surface part. (R, T, and B indicate a rare-earth element, at least one of iron and cobalt, and boron, respectively.)
TDK Corporation
H H B B B B
H01F H01F B22F B22F B22F B22F
inventional inventional inventional additional additional additional
Hisayuki Kenichi Hiroshi
Abe Yoshida Yamamoto