C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
C25D 21/12 (2006.01) C25D 3/56 (2006.01)
Patent
CA 2591932
The invention relates to a method for depositing metallic layers from acid or alkaline zinc or zinc alloy baths, which contain organic additives selected from brightners, wetting agents and complexing agents, and contain a soluble zinc salt and optionally additional metal salts selected from salts of Fe, Ni, Co, and Sn, during which the bath can be continuously purified whereby enabling the method to be carried out without interruption. The invention also relates to a device for carrying out this method.
L'invention concerne un procédé permettant de déposer des couches métalliques à partir de bains de zinc ou de bains d'alliage de zinc, acides ou alcalins, qui contiennent des additifs organiques issus d'agents de brillantage, d'agents réticulants et d'agents complexants, un sel de zinc soluble et éventuellement d'autres sels métalliques sélectionnés parmi des sels de Fe, de Ni, de Co et de Sn. Selon ce procédé, le bain peut être purifié en continu, de sorte que ledit procédé puisse être mis en oeuvre sans interruption. L'invention concerne par ailleurs un dispositif permettant de mettre ce procédé en oeuvre.
Geisler Jens
Habig Ellen
Heydecke Jens
Noack Andreas
Sonntag Birgit
Atotech Deutschland Gmbh
Teitelbaum & Maclean
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