Utilization of moisture in hermetically sealed solid electrolytic capacitors and capacitors made thereof
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United States of America Patent
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Apr 30, 2019
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N/A
app pub date -
Jan 30, 2015
filing date -
Jan 30, 2015
priority date (Note) -
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Abstract
A method for forming a hermetically sealed capacitor including: forming an anode; forming a dielectric on the anode; forming a conductive layer on the dielectric thereby forming a capacitive element; inserting the capacitive element into a casing; electrically connecting the anode to an exterior anode connection; electrically connecting the cathode to an exterior cathode connection; filling the casing with an atmosphere comprising a composition, based on 1 kg of atmosphere, of at least 175 g to no more than 245 g of oxygen, at least 7 g to no more than 11 g of water, at least 734 grams to no more than 818 grams of nitrogen and no more than 10 grams of a minor component; and hermetically sealing the casing with the atmosphere with the capacitive element contained in the casing.
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