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:
Feb. 18, 2020
Filed:
Oct. 24, 2017
Samsung Electro-mechanics Co., Ltd., Suwon-Si, Gyeonggi-Do, KR;
Kwang Jik Lee, Suwon-Si, KR;
Sang Moon Lee, Suwon-si, KR;
Hye Hun Park, Suwon-si, KR;
Ju Hwan Yang, Suwon-si, KR;
Jung Wook Seo, Suwon-si, KR;
SAMSUNG ELECTRO-MECHANICS CO., LTD., Suwon-si, Gyeonggi-do, KR;
Abstract
A common mode filter includes a body including a filter portion and an electrostatic protection portion, first to fourth external electrodes disposed on an external surface of the body, a ground electrode disposed on the external surface of the body, a first coil included in the filter portion and electrically connected to the first and second external electrodes, and a second coil included in the filter portion and electrically connected to the third and fourth external electrodes. The electrostatic protection portion includes discharge electrodes electrically connected to at least one of the first to fourth external electrodes and the ground electrode, a discharge part including conductive particles, a first organic-inorganic composite insulating layer disposed on the discharge electrodes and the discharge part, a magnetic cover layer disposed on the first organic-inorganic composite insulating layer, and a first inorganic insulating layer.