ANISOTROPIC MAGNET AND MANUFACTURE THEREOF

摘要

PROBLEM TO BE SOLVED: To provide an anisotropic magnet whose oriented state is satisfactory and whose magnetic force is strong. SOLUTION: This anisotropic magnet is manufactured through a molding method for applying a magnetic field from a specific direction in supplying resin molding materials 2 containing magnetic powder 5 into a cavity 31 of a metallic mold 21. When a specific direction Al is a reference, the state of the magnetic powder 5 that an easy axis 6 in the crystal of magnetic powder 5 is set within±30 deg. is defined as a satisfactory oriented state. In this case, the existence ratio of the magnetic powder 5 in the satisfactory oriented state is set so as to be 75% or more in the area of the surface layer part of an outer peripheral face 3b.