ELECTROLYTIC CAPACITOR
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United States of America Patent
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N/A
Issued Date -
Feb 5, 2009
app pub date -
Sep 29, 2006
filing date -
Sep 30, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Provided is an electrolytic capacitor which is advantageous in that an electrolyte is remarkably prevented from leaking from the anode.The present invention is directed to an electrolytic capacitor comprising: a capacitor element which comprises an anode foil with an anode lead means and a cathode foil with a cathode lead means being spirally wound together with a separator disposed therebetween, the capacitor element being impregnated with an electrolyte; a casing for containing therein the capacitor element; and a closure for sealing up an opening portion of the casing, wherein the anode lead means has a ceramic coating layer and/or an insulating synthetic resin layer at least part of the portion in contact with the closure.
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