Method for producing anode aluminum foils for electrolytic condensers
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United States of America Patent
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Apr 15, 1980
Grant Date -
N/A
app pub date -
Jun 1, 1978
filing date -
Jun 10, 1977
priority date (Note) -
Expired
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Abstract
Improved method for producing anode aluminum foils for electrolytic condensers used in low and intermediate voltage applications in which a hard tempered aluminum foil consisting of 99.9 to 99.99% pure aluminum added with 0.010 to 0.25% by weight of copper is electrolytically etched in an aqueous solution of neutral chlorides such as sodium chloride, aluminum chloride or potassium chloride.
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