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:
Oct. 21, 2025
Filed:
Sep. 24, 2021
Hitachi Astemo, Ltd., Hitachinaka, JP;
Takeshi Igarashi, Hitachinaka, JP;
Katsuya Oyama, Hitachinaka, JP;
Hitachi Astemo, Ltd., Hitachinaka, JP;
Abstract
An object of the present invention is to provide an electronic control device capable of improving the connection life and reliability of solder connecting a printed circuit board and a QFN type semiconductor package. For this purpose, a printed circuit boardincludes a first landconnected to a first metal terminalvia a solder, a second landconnected to a second metal terminalvia a solder, a third landdisposed on the outer peripheral side of a semiconductor packagewith respect to the first land, and a resistformed on the third landso as to be in contact with the lower surface of a molding resin