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:
Jan. 03, 2023
Filed:
Sep. 20, 2019
Tdk Corporation, Tokyo, JP;
Kouyu Ohi, Tsuruoka, JP;
Tasuku Mikogami, Tokyo, JP;
Shuhei Someya, Tokyo, JP;
Yusuke Kimoto, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
To provide a coil device having high bonding strength and bonding reliability. The coil devicehas a core memberhaving a winding core and a flange, a wirewound around the winding core, and a terminal electrodeconnected with a leadof a wireprovided to the flange; and an easy bonding layeris formed on the surface of the terminal electrodeconnected with the leadin a stripe form. the stripe form each bonding layeris formed as a laser mark. In the coil device, a residue of coating filmwhich may be generated when the leadof the wireis connected to the mounting partof the terminal electrodeis removed by laser.