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:
Apr. 26, 2022
Filed:
Jan. 22, 2018
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Hiromitsu Utsumi, Tokyo, JP;
Hiroaki Minamide, Tokyo, JP;
Suguru Maki, Tokyo, JP;
Katsumi Miyawaki, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/10 (2006.01); H01L 23/047 (2006.01); H01L 23/66 (2006.01); H01L 23/32 (2006.01);
U.S. Cl.
CPC ...
H01L 23/10 (2013.01); H01L 23/047 (2013.01); H01L 23/32 (2013.01); H01L 23/66 (2013.01); H01L 2223/6655 (2013.01); H01L 2924/172 (2013.01); H01L 2924/176 (2013.01);
Abstract
A transistor () and a matching circuit substrate (-) are provided on a base plate () and connected to each other. A frame () is provided on the base plate () and surrounds the transistor () and the matching circuit substrate (-). The frame () has a smaller linear expansion coefficient than that of the base plate (). A screwing portion () is provided in the frame (). A size of the base plate () is smaller than that of the frame ().