The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 09, 2024

Filed:

Sep. 28, 2020
Applicant:

Kyocera Corporation, Kyoto, JP;

Inventor:

Hitomi Ochiai, Omihachiman, JP;

Assignee:

KYOCERA CORPORATION, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 17/04 (2006.01); G06F 3/0354 (2013.01); H01F 1/34 (2006.01); H01F 27/255 (2006.01);
U.S. Cl.
CPC ...
H01F 17/045 (2013.01); H01F 1/344 (2013.01); H01F 27/255 (2013.01); G06F 3/03545 (2013.01);
Abstract

An inductor core includes a pillar shaped magnetic main body comprising a magnetic material including pores. The magnetic main body includes: an inclined portion including an inclined surface that constitutes an outer circumferential surface of a truncated cone having an increasing outer diameter; and a straight body portion that is coaxial with the inclined portion and includes an outer peripheral surface that constitutes an outer circumferential surface of a cylindrical column body, the straight body portion being connected to the inclined portion. A difference between an average value of inter-centroid distances of the pores at the straight body portion and an average diameter of the pores at the straight body portion is greater than a difference between an average value of inter-centroid distances of the pores at the inclined portion and an average diameter of the pores at the inclined portion.


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