METHOD FOR MONITORING THE TOTAL AMOUNT OF BRIGHTENERS IN AN ACIDIC COPPER/COPPER ALLOY PLATING BATH AND CONTROLLED PROCESS FOR PLATING

The present invention relates to a method for monitoring the total amount of brighteners in an acidic copper/copper alloy plating bath during a copper/copper alloy plating process, the use of such a method for controlling a plating process, a controlled process for electrolytically depositing copper...

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Hauptverfasser: MUGLALI, Mutlu-Iskender, VOSS, Torsten, KIRBS, Andreas
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The present invention relates to a method for monitoring the total amount of brighteners in an acidic copper/copper alloy plating bath during a copper/copper alloy plating process, the use of such a method for controlling a plating process, a controlled process for electrolytically depositing copper/copper alloy onto a substrate utilizing the method for monitoring according to the present invention, and the use of one or more than one redox active compound for monitoring and/or determining the total amount of brighteners in the acidic copper/copper alloy plating bath.