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Title:
MAGNETIC CORE, INDUCTOR, AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2018117004
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a magnetic core in which peeling, dropping or cracking of a flat power is less likely to occur with a ridge line part of an end face or a corner part to which the ridge line part is matched, defined as an origin, an inductor, and a manufacturing method thereof.SOLUTION: The present invention relates to a magnetic core consisting of a flat soft magnetic metal powder in 60 vol.% or more, a binder containing silicon nitride in 10 vol.% or more and 30 vol.% or less as a main component, and a compound magnetic substance including pores in 10 vol.% or more and 25 vol.% or less, being elastic and having a polygonal shape. A ridge line part and a corner part are rounded and an end of the soft magnetic metal powder in the rounded portion is folded.SELECTED DRAWING: Figure 2

Inventors:
茶谷 健一 (宮城県仙台市太白区郡山六丁目7番1号 NECトーキン株式会社内)
御子柴 駿 (宮城県仙台市太白区郡山六丁目7番1号 NECトーキン株式会社内)
嶋 博司 (宮城県仙台市太白区郡山六丁目7番1号 NECトーキン株式会社内)
鎌田 博行 (宮城県仙台市太白区郡山六丁目7番1号 NECトーキン株式会社内)
Application Number:
JP2017005750
Publication Date:
July 26, 2018
Filing Date:
January 17, 2017
Export Citation:
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Assignee:
株式会社トーキン (宮城県仙台市太白区郡山6丁目7番1号)
International Classes:
H01F3/08; H01F1/24; H01F27/255; H01F41/02
Attorney, Agent or Firm:
池田 憲保
佐々木 敬



 
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