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.
Patent No.:
Date of Patent:
Sep. 26, 2023
Filed:
Oct. 04, 2019
Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;
Young Il Lee, Suwon-si, KR;
Jeong Gu Yeo, Suwon-si, KR;
Ji Hoon Hwang, Suwon-si, KR;
Myoung Ki Shin, Suwon-si, KR;
Byeong Cheol Moon, Suwon-si, KR;
SAMSUNG ELECTRO-MECHANICS CO., LTD., Suwon-si, KR;
Abstract
A coil electronic component includes a body including a coil portion disposed therein, and including a plurality of magnetic particles, and external electrodes connected to the coil portion. The body includes an internal region and a protective layer disposed on a surface of the internal region. A first particle of the plurality of magnetic particles included in the protective layer includes an oxide film disposed on a surface of the first particle, and a second particle, having a size greater than a size of the first particle, of the plurality of magnetic particles includes a coating layer disposed on a surface of the second particle and having a composition different from a composition of the oxide film.