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. 25, 2022
Filed:
Feb. 23, 2017
Mitsubishi Electric Corporation, Tokyo, JP;
Shoji Saito, Tokyo, JP;
Seiichiro Inokuchi, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A semiconductor apparatus includes a metal base plate, an upper surface ceramic substrate provided on an upper surface of the metal base plate, a semiconductor device provided on the upper surface ceramic substrate, and a substrate that is provided in the metal base plate and includes an embedded ceramic substrate, an upper surface metal pattern provided on an upper surface of the embedded ceramic substrate, and a lower surface metal pattern provided on a lower surface of the embedded ceramic substrate, wherein a thermal conductivity of the upper surface metal pattern and a thermal conductivity of the lower surface metal pattern are larger than a thermal conductivity of the metal base plate.