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:
Jun. 09, 2020

Filed:

Apr. 24, 2017
Applicant:

Tdk Corporation, Tokyo, JP;

Inventor:

Akifumi Kamijima, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 27/28 (2006.01); H01F 17/00 (2006.01); H02M 3/156 (2006.01); H02M 3/155 (2006.01); H01F 17/04 (2006.01); H01F 27/29 (2006.01);
U.S. Cl.
CPC ...
H01F 27/2804 (2013.01); H01F 17/0013 (2013.01); H02M 3/156 (2013.01); H01F 17/04 (2013.01); H01F 27/292 (2013.01); H01F 2017/048 (2013.01); H01F 2027/2809 (2013.01); H02M 3/155 (2013.01);
Abstract

Provided is a coil component including a coil portion that has at least one layer of ring-shaped planar coil portion including a coil-wound portion and an insulative resin layer which covers the periphery of the coil-wound portion within the same layer as the coil-wound portion, and an insulative resin layer overlapping the planar coil portion; and a covering portion that covers the coil portion. The insulative resin layer has a superimposing region overlapping a forming region of the planar coil portion and a protrusion region protruding from at least any one of an inner peripheral edge and an outer peripheral edge of the superimposing region, when viewed in the direction of overlapping the planar coil portion.


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