Patent ID: 11961646
Assignee: SEIKO EPSON CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC H  B  C | IPC C  H

Claim 14:
15. The soft magnetic powder according to claim 1, wherein the particle includes a Si segregated portion in which Si is segregated,
the Si segregated portion is present between the Cu segregated portion and the surface of the particle,
a maximum Cu concentration in the Cu segregated portion is in a range of 16.0 at % or more and 70.0 at % or less,
the crystal grain of the particle has a grain diameter of 5.0 nm or more and 20.0 nm or less, and
the Cu segregated portion contains a crystal grain having an average grain diameter of 3 nm or more and 20 nm or less.