Power semiconductor module

US9474191B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9474191-B2
Application numberUS-201314379957-A
CountryUS
Kind codeB2
Filing dateFeb 8, 2013
Priority dateMar 30, 2012
Publication dateOct 18, 2016
Grant dateOct 18, 2016

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

Each of a plurality of power semiconductor module includes a can-type cooling case that is formed with a plate spring portion that generates compressive stress in the semiconductor circuit unit, an adjustment portion that is deformed to adjust elastic deformation of the plate spring portion, and a sidewall portion to which the plate spring portion and the adjustment portion are joined.

First claim

Opening claim text (preview).

The invention claimed is: 1. A power semiconductor module comprising: a semiconductor device configured to perform conversion into DC power and AC power; conductor plates placed on both sides of the semiconductor device, the conductor plates being connected to electrode surfaces of the semiconductor device with solder; a sealed unit having the semiconductor device and the conductor plates sealed therein with resin; a case for housing the sealed unit; and an insulating member place…

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Frequently asked questions

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What does patent US9474191B2 cover?
Each of a plurality of power semiconductor module includes a can-type cooling case that is formed with a plate spring portion that generates compressive stress in the semiconductor circuit unit, an adjustment portion that is deformed to adjust elastic deformation of the plate spring portion, and a sidewall portion to which the plate spring portion and the adjustment portion are joined.
Who is the assignee on this patent?
Hitachi Automotive Systems Ltd
What technology area does this patent fall under?
Primary CPC classification H02M7/003. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Oct 18 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).