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:
May. 20, 2025
Filed:
Aug. 18, 2020
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Abstract
A double-sided cooling type power module according to the present invention includes: an upper substrate including an insulating layer, an upper metal layer bonded to a top of the insulating layer, and a lower metal layer bonded to a bottom of the insulating layer; a lower substrate disposed under the upper substrate and including an insulating layer, an upper metal layer bonded to a top of the insulating layer, and a lower metal layer bonded to a bottom of the insulating layer; a spacer disposed between the upper substrate and the lower substrate and electrically connecting the upper substrate and the lower substrate; and a semiconductor chip disposed between the spacer and the upper substrate or the lower substrate, in which the insulating layers are made of a material of which a coefficient of thermal expansion is 0.8 or more and 1.2 or less times of coefficients of thermal expansion of the metal layers of the upper substrate and the lower substrate.