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Shapeable short circuit resistant capacitor

United States Patent

October 6, 2015
View the Complete Patent at the US Patent & Trademark Office
A ceramic short circuit resistant capacitor that is bendable and/or shapeable to provide a multiple layer capacitor that is extremely compact and amenable to desirable geometries. The capacitor that exhibits a benign failure mode in which a multitude of discrete failure events result in a gradual loss of capacitance. Each event is a localized event in which localized heating causes an adjacent portion of one or both of the electrodes to vaporize, physically cleaning away electrode material from the failure site. A first metal electrode, a second metal electrode, and a ceramic dielectric layer between the electrodes are thin enough to be formed in a serpentine-arrangement with gaps between the first electrode and the second electrode that allow venting of vaporized electrode material in the event of a benign failure.
Taylor; Ralph S. (Noblesville, IN), Myers; John D. (Kokomo, IN), Baney; William J. (Roanoke, VA)
Delphi Technologies, Inc. (Troy, MI)
13/ 752,441
January 29, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The subject invention was made under a CRADA Number 0700801 between Delphi Automotive Systems LLC and UChicago Argonne, LLC, as operator of Argonne National Laboratory for the United States Department of Energy. The United States government has certain rights in this invention.