Abstract: The invention provides a process for depositing metallic layers from acidic or alkaline zinc or zinc alloy baths containing organic additives selected from brighteners, surfactants and complexing agents, a soluble zinc salt and optionally further metal salts selected from Fe, Ni, Co, Sn salts, wherein the bath can be purified continuously so that the process can be operated without interruption, as well as apparatus for carrying out this process.
Type:
Application
Filed:
November 28, 2005
Publication date:
May 21, 2009
Applicant:
ATOTECH DEUTSCHLAND GMBH
Inventors:
Roland Vogel, Birgit Sonntag, Jens Heydecke, Jens Geisler, Ellen Habig, Andreas Noack
Abstract: The invention provides a process for depositing metallic layers from acidic or alkaline zinc or zinc alloy baths containing organic additives selected from brighteners, surfactants and complexing agents, a soluble zinc salt and optionally further metal salts selected from Fe, Ni, Co, Sn salts, wherein the bath can be purified continuously so that the process can be operated without interruption, as well as apparatus for carrying out this process.
Type:
Grant
Filed:
November 28, 2005
Date of Patent:
July 2, 2013
Assignee:
Atotech Deutschland GmbH
Inventors:
Roland Vogel, Birgit Sonntag, Jens Heydecke, Jens Geisler, Ellen Habig, Andreas Noack