Oliff PLC
Metal magnet and motor using the same
A metal magnet 10 including a magnet body 12 and a coating layer 14 over the magnet body 12, in which the coating layer 14 has a Martens hardness of 2000 N/mm2 or more and an elastic resilience of 25% or less, and a motor including the metal magnet 10. 
TDK Corporation
C H H C Y H C B H H Y
C22C H02K H01F C25D Y10T H02K C22C B32B H01F H01F Y10T
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Jun Kenichi
Hagiwara Yoshida