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:
Apr. 16, 2024

Filed:

Sep. 02, 2021
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventor:

Masakazu Tani, Tokyo, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/473 (2006.01);
U.S. Cl.
CPC ...
H01L 23/473 (2013.01);
Abstract

A semiconductor power module is configured in such a way that a protruding portion of a heat sink is inserted into a penetration hole of a jacket, that an end face portion of the protruding portion and a cooling fin are exposed in a flow path, that a front-end portion of the cooling fin abuts on an inner wall surface of the flow path, that a packing is mounted in a groove portion formed between an inner wall portion of the penetration hole and a side wall portion, of the protruding portion of the heat sink, that faces the inner wall portion, that the inner wall portion of the penetration hole and the side wall portion of the protruding portion press the packing in the radial direction thereof, that a spring member presses the front-end portion of the cooling fin to the inner wall surface of the flow path.


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