Title:
DUST CORE, MANUFACTURING METHOD OF DUST CORE, ELECTRIC/ELECTRONIC COMPONENT PROVIDED WITH DUST CORE, AND ELECTRIC/ELECTRONIC DEVICE ON WHICH ELECTRIC/ELECTRONIC COMPONENT IS MOUNTED
Document Type and Number:
Japanese Patent JP2021002535
Kind Code:
A
Abstract:
To provide a dust core that does not easily change the magnetic properties even when used in a high temperature environment and has excellent mechanical properties, a manufacturing method of the dust core, an electric/electronic component provided with the dust core, and an electric/electronic device on which the electric/electronic component is mounted.SOLUTION: A dust core 1 includes a molded body 1B including a soft magnetic powder MM, and an exterior coat CRM of the molded body 1B. The exterior coat CRM includes at least one of a thermoplastic polyimide and a thermoplastic polyamide-imide and has an impregnated structure.SELECTED DRAWING: Figure 2
Inventors:
MARUYAMA TOMOHITO
MATSUI MASAO
MATSUI MASAO
Application Number:
JP2017164142A
Publication Date:
January 07, 2021
Filing Date:
August 29, 2017
Export Citation:
Assignee:
ALPSALPINE CO LTD
International Classes:
H01F27/255; H01F1/153; H01F3/08; H01F41/02
Attorney, Agent or Firm:
Katsuyuki Okubo
野▲崎▼ 照夫
Masahiro Matsushita
野▲崎▼ 照夫
Masahiro Matsushita