Patent ID: 11887762
Assignee: TDK CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A soft magnetic metal powder comprising coated particles, each of the coated particles comprises a soft magnetic metal particle including Fe and a coating part having an insulation property, wherein
the coating part is formed on a surface of the soft magnetic metal particle,
a soft magnetic metal fine particle exists inside the coating part and is completely surrounded by the coating part,
an aspect ratio of the soft magnetic metal fine particle is 1:2 to 1:10000,
the coating part includes at least one selected from the group consisting of a phosphate based glass, a bismuthate based glass and a borosilicate based glass, as a main component, and
a thickness of the coating part is 1 nm or more and 200 nm or less.