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:
Dec. 08, 2020
Filed:
Jun. 01, 2017
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Katsumi Kobayashi, Tokyo, JP;
Kouyu Ohi, Tsuruoka, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 17/04 (2006.01); H01F 27/29 (2006.01); H01F 27/28 (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 includes a core body having a coil core part and a core bottom face, The coil device further includes a coil part forming spiral conductive pathway around the coil core part. A metal electrode is formed at the core bottom face, and the wire ends which are the conductive pathway of the coil part are formed at the metal electrode, and a part of the surface of the metal electrode is covered by a conductive resin electrode.