Process for producing high etch gains for electrolytic capacitor manufacturing
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United States of America Patent
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Oct 28, 2014
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Sep 2, 2011
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Jul 29, 2004
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Abstract
Anode foil, preferably aluminum anode foil, is etched using a process of treating the foil in an electrolyte bath composition comprising a sulfate and a halide, such as sodium chloride. The anode foil is etched in the electrolyte bath composition by passing a charge through the bath. The etched anode foil is suitable for use in an electrolytic capacitor.
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