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:
Apr. 25, 2023
Filed:
Aug. 24, 2020
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 17/00 (2006.01); H01F 27/28 (2006.01); H01F 27/29 (2006.01); H01F 17/04 (2006.01);
U.S. Cl.
CPC ...
H01F 17/045 (2013.01); H01F 27/2828 (2013.01); H01F 27/292 (2013.01);
Abstract
A coil device has a core including a winding core portion and a flange portion formed on an X-axis-direction end portion of the winding core portion, a coil portion formed by wires being wound around the winding core portion, and terminal electrodes provided on the flange portion. Leadout portions of the wires are respectively connected to the terminal electrodes. A main protuberance having a protuberating shape is formed on an upper surface of the flange portion. The first and second leadout portions of the wires are connected to the first and second terminal electrodes outside the main protuberance in the X-axis direction.