Patent ID: 11964325
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  C  H | IPC B  C  H

Claim 0:
1. A metal magnetic material, consisting of
an oxide of zinc;
a metal magnetic alloy particle made of iron and silicon, where the oxide of zinc and the metal magnetic alloy particle are separate from each other before being mixed together to form the metal magnetic material; and
a reaction product of the oxide of zinc and the metal magnetic alloy particle that is generated by a heat treatment, the reaction product arranged near a surface of the metal magnetic alloy particle, wherein
a grain boundary layer exists between the adjacent metal magnetic alloy particles,
the grain boundary layer includes the zinc oxide that is interposed between
the reaction products, and the reaction product includes the oxide of zinc, the iron derived from the metal magnetic alloy particle and the silicon.