POWDER MAGNETIC CORE AND MIXED SOFT MAGNETIC POWDER

To provide a powder magnetic core capable of satisfying high magnetic permeability and high withstand voltage.SOLUTION: The powder magnetic core contains a mixed soft magnetic powder in which first soft magnetic particles 1 having an ellipse shape with surface smoothness of 1.1 to 2.0 and second sof...

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Bibliographic Details
Main Authors FUKUDA KAZUTO, KUROMIYA TAKAO
Format Patent
LanguageEnglish
Japanese
Published 06.12.2018
Subjects
BASIC ELECTRIC ELEMENTS
CASTING
ELECTRICITY
INDUCTANCES
MAGNETS
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
PERFORMING OPERATIONS
POWDER METALLURGY
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
TRANSPORTING
WORKING METALLIC POWDER
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Summary:To provide a powder magnetic core capable of satisfying high magnetic permeability and high withstand voltage.SOLUTION: The powder magnetic core contains a mixed soft magnetic powder in which first soft magnetic particles 1 having an ellipse shape with surface smoothness of 1.1 to 2.0 and second soft magnetic particles 2 having an ellipse shape with surface smoothness of 4.020.0 and flatness of 3.015.0 are mixed.SELECTED DRAWING: Figure 1 【課題】高い透磁率と高い耐電圧を両立する圧粉磁心を提供する。【解決手段】圧粉磁心は、表面平滑性が１．１〜２．０である楕円体状の第一の軟磁性粒子１と、表面平滑性が４．０２０．０かつ偏平度が３．０１５．０である楕円体状の第二の軟磁性粒子２と、を混合した混合軟磁性粉末が含まれている圧粉磁心。【選択図】図１
Bibliography:Application Number: JP20170098093