Wet electrolytic capacitor for use at high temperatures
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United States of America Patent
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Jul 5, 2016
Grant Date -
Sep 18, 2014
app pub date -
Mar 14, 2014
filing date -
Mar 15, 2013
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Abstract
A wet electrolytic capacitor that contains an anode formed from an anodically oxidized sintered porous body and a fluidic working electrolyte is provided. The casing contains a metal substrate coated an electrochemically-active material. Through a unique and controlled combination of features relating to the capacitor configuration and sealing assembly, the present inventor has discovered that good electrical properties (e.g., ESR stability) can be achieved at relatively high temperatures. One unique feature of the wet electrolytic capacitor that can help achieve such good ESR stability is the presence of a dielectric layer on the metal substrate of the cathode within a controlled thickness range. In other embodiments, a sealing assembly may be employed that contains a hermetic seal (e.g., glass-to-metal seal) and an elastomeric barrier seal formed from a high-temperature elastomeric material.
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Patent Owner(s)
Patent Owner | Address | |
---|---|---|
KYOCERA AVX COMPONENTS CORPORATION | ONE AVX BOULEVARD FOUNTAIN INN SC 29644 |
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Weaver, Mitchell D | Simpsonville, US | 18 | 269 |
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