SOFT MAGNETIC MATERIAL AND POWDER MAGNETIC CORE

摘要

PROBLEM TO BE SOLVED: To provide a soft magnetic material and a powder magnetic core which are excellent in formability, and which are capable of satisfactorily suppressing iron loss by making an insulating coated film function excellently. SOLUTION: The soft magnetic material is one containing a plurality of composite magnetic particles 30. Each of the plurality of the composite magnetic particles 30 comprises metal magnetic particles 10; the insulating coated film 20 surrounding the surface of the metal magnetic particles 10; and a composite coated film 22 surrounding an outside of the insulating coated film 20. The composite coated film 22 comprises a heat resistance imparting protective coated film 24 surrounding the surface of the insulating coated film 20, and a flexible protective coated film 26 surrounding the surface of the heat resistance imparting protective coated film 24. COPYRIGHT: (C)2006,JPO&NCIPI