Chemistry: electrical and wave energy – Processes and products
Patent
1985-06-24
1986-02-04
Tufariello, T. M.
Chemistry: electrical and wave energy
Processes and products
204 28, C25D 104, C25D 706
Patent
active
045684316
ABSTRACT:
The present invention relates to a system and a process for producing improved quality electrodeposited and/or treated metal or metal alloy foil to be used in electrical and electronic applications. The quality of the foil being produced and/or treated by the system is improved by providing each treatment tank in the system with a dual filtration system. The dual filtration system for each tank comprises a filter conditioning loop for substantially continuously withdrawing solution from the tank and removing particulate matter from the withdrawn solution and a system for removing surface impurities from the solution. In a first embodiment, the surface impurities removing system comprises an off-line solution filtration and replenishment system. In a second embodiment, the surface impurities removing system comprises a skimmer floating on the surface of the solution. The present invention has particular utility in systems for producing electrodeposited and/or treated copper foils.
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Technologien Und Spezialausrustungen Zur Erzeugung Und Nachbehandlung Von Kupferfolien by W. Burkhart, Metall, Aug. 1978, pp. 791-793.
Copper Foil Production and Retreatment Plants Brochure, provided by Kombinat Veb Lew.
Copper Foil Brochure, provided by Kombinat Veb Lew.
Kupferfolien-Erzeugungs-und Nachbehandlungsanlagent Brochure, provided by Kombinat Veb Lew.
Kupferfolien-Erzeugungsanlagen Typ KFE 1200.
Kupferfolien-Nachbehandlungsanlagen Typ KFN 1200 Brochure, provided by Kombinat Veb Lew.
Parthasarathi Arvind
Polan Ned W.
Smialek Raymond J.
Cohn Howard M.
Kelmachter Barry L.
Olin Corporation
Tufariello T. M.
Weinstein Paul
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