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Method of manufacturing a shapeable short-resistant capacitor

United States Patent

April 2, 2013
View the Complete Patent at the US Patent & Trademark Office
A method that employs a novel combination of conventional fabrication techniques provides a ceramic short-resistant capacitor that is bendable and/or shapeable to provide a multiple layer capacitor that is extremely compact and amenable to desirable geometries. The method allows thinner and more flexible ceramic capacitors to be made. The method includes forming a first thin metal layer on a substrate; depositing a thin, ceramic dielectric layer over the metal layer; depositing a second thin metal layer over the dielectric layer to form a capacitor exhibiting a benign failure mode; and separating the capacitor from the substrate. The method may also include bending the resulting capacitor into a serpentine arrangement with gaps between the layers that allow venting of evaporated electrode material in the event of a benign failure.
Taylor; Ralph S. (Noblesville, IN), Myers; John D. (Kokomo, IN), Baney; William J. (Kokomo, IN)
Delphi Technologies, Inc. (Troy, MI)
12/ 498,025
July 6, 2009
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.