Solid state capacitors and methods of manufacturing them
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United States of America Patent
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Nov 2, 2004
Grant Date -
N/A
app pub date -
Oct 2, 2002
filing date -
Nov 15, 1999
priority date (Note) -
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Abstract
The present invention seeks to provide improved solid state capacitors and improved methods of manufacturing such capacitors. According to one aspect of the present invention solid state capacitors are manufactured by providing an electrically conducting substrate and forming a plurality of porous bodies comprising valve action materials on a substrate surface where each body has an upper surface distal to the substrate. An electrically insulating layer is formed over the bodies with a conducting cathode layer being formed over the insulating layer. The substrate is divided into a plurality of capacitor portions where each capacitor portion comprises a body portion and a substrate portion. The end region of each body portion distal from the substrate is provided with a platform that is a cathode terminal site in the final capacitor.
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