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:
Sep. 09, 2025
Filed:
Jun. 08, 2023
Tdk Corporation, Tokyo, JP;
Akihiro Masuda, Tokyo, JP;
Takaaki Sato, Tokyo, JP;
Shinya Ito, Tokyo, JP;
Norihisa Ando, Tokyo, JP;
Hideki Kaneko, Tokyo, JP;
Ken Aburakawa, Tokyo, JP;
Kenya Tamaki, Tokyo, JP;
Akitoshi Yoshii, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
An electronic device includes: a ceramic element including a first electrode portion and a second electrode portion; a first metal terminal including a first external connection portion and a first electrode connection portion connected to the first electrode portion through solder; and a second metal terminal including a second external connection portion and a second electrode connection portion connected to the second electrode portion through solder. The first electrode connection portion includes a first solder stopper formed by undulation of at least a part of a facing surface of the first electrode connection portion facing the first electrode portion to control a range of an adhesion region of solder to the first electrode portion. The second electrode connection portion includes a second solder stopper that is formed by undulation of at least a part of a facing surface of the second electrode connection portion facing the second electrode portion.