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. 22, 2019
Filed:
Dec. 24, 2013
Mitsubishi Electric Corporation, Tokyo, JP;
Ryuichi Ishii, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
An electric power converter includes a switching device that performs electric-power conversion through switching, an insulated substrate having a first side and a second side that are opposite to each other, a first circuit with which the switching device is electrically connected and that is bonded to the first side of the insulated substrate, a second circuit that is formed in a shape the same as that of the first circuit and is bonded to the second side of the insulated substrate, and a base to which the second circuit is bonded through the intermediary of a bonding layer; each of corner portions in the respective planar shapes of the first circuit and the second circuit has a stress relaxation portion that is formed in such a way as to have a smaller thickness than the other portion.