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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.:

US 10164519 B1

PDFFull Text
Date of Patent:
Dec. 25, 2018

Filed:

Apr. 01, 2016

Semiconductor stack for converter with snubber capacitors

Applicant:

Abb Schweiz Ag, Baden, CH;

Inventors:

Osman Senturk, Turgi, CH;

Peter Steimer, Ehrendingen, CH;

Assignee:

ABB Schweiz AG, Baden, CH;

Attorneys:

J. Bruce Schelkopf

Taft Stettinius & Hollister LLP

Primary Examiner:

Fred E Finch, III

Int. Cl.
CPC ...
H02M 1/34 (2007.01); H01L 25/11 (2006.01); H01L 25/07 (2006.01); H01L 23/495 (2006.01); H01L 29/739 (2006.01); H01L 29/74 (2006.01); H02M 7/00 (2006.01); H01L 25/16 (2006.01); H01L 23/50 (2006.01); H01L 29/749 (2006.01); H02M 7/483 (2007.01);
U.S. Cl.
CPC ...
H02M 1/34 (2013.01); H01L 23/49562 (2013.01); H01L 23/49568 (2013.01); H01L 23/49575 (2013.01); H01L 23/49589 (2013.01); H01L 25/074 (2013.01); H01L 25/117 (2013.01); H01L 29/7393 (2013.01); H01L 29/7416 (2013.01); H02M 7/003 (2013.01); H01L 23/50 (2013.01); H01L 25/16 (2013.01); H01L 29/749 (2013.01); H01L 2924/0002 (2013.01); H02M 2007/4835 (2013.01);
Abstract

A semiconductor stack for a converter comprises two series-connected semiconductor switches; two terminals for connecting a cell capacitor, which are connected to one another by the two semiconductor switches; at least one cooling element arranged between the semiconductor switches; a frame, by which the semiconductor switches and the cooling element are fixed to one another and which provides the terminals; and at least two snubber capacitors which are mechanically fixed to the frame and which are connected in parallel, are connected to the terminals and which in each case form a commutation loop with the semiconductor switches.

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