MAGNETIC BASE BODY, COIL COMPONENT INCLUDING THE MAGNETIC BASE BODY, CIRCUIT BOARD INCLUDING THE COIL COMPONENT, AND ELECTRONIC DEVICE INCLUDING THE CIRCUIT BOARD

MAGNETIC BASE BODY, COIL COMPONENT INCLUDING THE MAGNETIC BASE BODY, CIRCUIT BOARD INCLUDING THE COIL COMPONENT, AND ELECTRONIC DEVICE INCLUDING THE CIRCUIT BOARD

Provided is a magnetic base body having excellent insulating properties and magnetic properties. A magnetic base body according to one embodiment includes: a plurality of soft magnetic metal particles; and a plurality of insulating films each covering a surface of corresponding one of the plurality...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HAGIWARA, Tomoya, TOMITA, Tatsuya
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Beschreibung
Zusammenfassung:Provided is a magnetic base body having excellent insulating properties and magnetic properties. A magnetic base body according to one embodiment includes: a plurality of soft magnetic metal particles; and a plurality of insulating films each covering a surface of corresponding one of the plurality of soft magnetic metal particles. In the magnetic base body, the plurality of soft magnetic metal particles are filled at a filling factor of 85% or higher. The KAM value of the soft magnetic metal particles is 0.6 or less. The soft magnetic metal particles contain 95 wt % or more Fe, Si, and Al. The insulating films contain an oxide of Si and an oxide of Al.