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:
Nov. 29, 2022
Filed:
Nov. 21, 2018
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 27/28 (2006.01); H01F 41/069 (2016.01); H01F 17/04 (2006.01); H01F 27/24 (2006.01); H01F 41/076 (2016.01); H01F 27/29 (2006.01);
U.S. Cl.
CPC ...
H01F 27/2828 (2013.01); H01F 17/045 (2013.01); H01F 27/24 (2013.01); H01F 27/29 (2013.01); H01F 41/069 (2016.01); H01F 41/076 (2016.01);
Abstract
A coil device includes a core and a coil portion. The core includes a winding core part and a flange part disposed at one end of the winding core part in an axial direction thereof. The coil portion is formed by winding a first wire and a second wire around the winding core part. The flange part includes first and second grooves passed by a leading part of the first wire or the second wire. The first groove extends toward an outside of the flange part. The second groove extends toward the outside of the flange part at an angle differing from that of the first groove.