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.

Date of Patent:
Dec. 21, 2021

Filed:

Feb. 22, 2018
Applicant:

Mitsubishi Electric Corporation, Chiyoda-ku, JP;

Inventors:

Yukinobu Tarui, Tokyo, JP;

Makoto Kimura, Tokyo, JP;

Katsumi Miyawaki, Tokyo, JP;

Kiyoshi Ishida, Tokyo, JP;

Hiroaki Matsuoka, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/552 (2006.01); H01L 23/66 (2006.01); H01L 23/538 (2006.01); H01L 23/36 (2006.01);
U.S. Cl.
CPC ...
H01L 23/552 (2013.01); H01L 23/36 (2013.01); H01L 23/5383 (2013.01); H01L 23/66 (2013.01); H01L 2223/66 (2013.01);
Abstract

A microwave device includes: a multilayer resin substrate being a first multilayer resin substrate; an IC being a radio frequency circuit provided on the multilayer resin substrate and electrically connected to the multilayer resin substrate; a heat spreader provided on a side opposite to the multilayer resin substrate across the IC, and in contact with the IC; a mold resin covering the periphery of the IC and the heat spreader; and a conductive film covering the mold resin and the heat spreader, where an inner side of the conductive film is in contact with the heat spreader, and the conductive film is electrically connected to a ground via hole of the multilayer resin substrate.


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