Title:
SOFT-MAGNETIC METAL POWDER, MAGNETIC POWDER CORE, MAGNETIC COMPONENT AND ELECTRONIC APPLIANCE
Document Type and Number:
Japanese Patent JP2023079827
Kind Code:
A
Abstract:
To provide a magnetic powder core favorable in voltage endurance and magnetic permeability, a magnetic component comprising the same and a soft-magnetic metal powder suited for the magnetic powder core.SOLUTION: A soft-magnetic metal powder contains soft-magnetic metal particles, in which the soft-magnetic metal particles each comprise a metal particle and an oxidized portion covering the metal particle. The metal particle and the oxidized portion have an interface having irregularity, in which the interface between the metal particle and the oxidized portion has a roughness having a maximum height Rz of 1.0 nm or greater and 50.0 nm or smaller.SELECTED DRAWING: Figure 2
Inventors:
KOEDA SHINJI
MORI SATOKO
YOSHITOME KAZUHIRO
MATSUMOTO HIROYUKI
MORI SATOKO
YOSHITOME KAZUHIRO
MATSUMOTO HIROYUKI
Application Number:
JP2021193484A
Publication Date:
June 08, 2023
Filing Date:
November 29, 2021
Export Citation:
Assignee:
TDK CORP
International Classes:
B22F1/14; B22F1/00; B22F1/06; B22F1/065; B22F1/16; B22F3/00; H01F1/153; H01F1/26; H01F1/33; H01F27/255
Attorney, Agent or Firm:
Maeda Suzuki International Patent Attorneys Corporation