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:
May. 30, 2023

Filed:

Sep. 10, 2019
Applicant:

Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;

Inventors:

Ju Hwan Yang, Suwon-si, KR;

Byeong Cheol Moon, Suwon-si, KR;

Byung Soo Kang, Suwon-si, KR;

Yoon Mi Cha, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 27/29 (2006.01); H01F 17/00 (2006.01); H01F 17/04 (2006.01); H01F 27/255 (2006.01); H01F 27/28 (2006.01); H01F 41/04 (2006.01);
U.S. Cl.
CPC ...
H01F 27/292 (2013.01); H01F 17/0013 (2013.01); H01F 17/04 (2013.01); H01F 27/255 (2013.01); H01F 27/2804 (2013.01); H01F 41/041 (2013.01); H01F 2017/048 (2013.01);
Abstract

A coil component includes a body having one surface and the other surface opposing each other and including a magnetic metal powder particle and an insulating resin; a coil portion embedded in the body and having end portions respectively exposed from end surfaces of the body; first and second external electrodes arranged to be spaced apart from each other on the one surface and extending to the end surfaces to be connected to the end portions, respectively; and an external insulating layer disposed between each of the first and second external electrodes and the one surface of the body. A magnetic metal powder particle exposed on the wall surface of the body, among the magnetic metal powder particle, has a plating prevention film disposed on at least a portion of a surface of the exposed magnetic metal powder particle and including metal ions of the magnetic metal powder particle.


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