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:
Aug. 04, 2026
Filed:
Sep. 29, 2021
Hitachi Astemo, Ltd., Hitachinaka, JP;
Ning Tang, Tokyo, JP;
Nobutake Tsuyuno, Tokyo, JP;
Yujiro Kaneko, Hitachinaka, JP;
Eiichi Ide, Tokyo, JP;
Hitachi Astemo, Ltd., Hitachinaka, JP;
Abstract
An electrical circuit body includes a power semiconductor element joined to one face of a conductor plate, a sheet member including an insulating layer joined to the other face of the conductor plate, a sealing member integrally sealing the sheet member, the conductor plate, and the power semiconductor element in a state where a face, of the sheet member, opposite to a face joined to the conductor plate is exposed, and a cooling member bonded to the opposite face of the sheet member via a heat conduction member, wherein the sealing member has a recess along an outer edge of the sheet member on a surface where the sheet member is exposed, the recess being located outside the sheet member.