Most powerful permanent magnets available today, possess high energy up to 52MGOe and wonderful coercive force
Third generation of rare earth magnet
Less brittle than SmCo
Applications: package, printer, switchboard, phone, voice coil motors (VCM) in hard disk drives, high performance, brushless DC motors, magnetic separation, magnetic resonance imaging, sensors and loudspeakers
Coating: Zn, Ni, Ni-Cu-Ni, epoxy, CR3 + Zn, NI + AG and NI + AU