Method for monitoring the total amount of sulphur containing compounds in a metal plating bath

The present invention relates to a method for monitoring the total amount of sulphur containing compounds in a metal or metal alloy plating bath, wherein the sulphur containing compounds contain at least one sulphur atom having an oxidation state below +6, the method comprising the steps (a), (b), o...

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Bibliographische Detailangaben
Hauptverfasser:	STEINHAEUSER, EDITH, WENDELN, CHRISTIAN, GOTTSCHALK, KEVIN-SIGURT, NISHIKIDO, MAYUMI, ZARWELL, SEBASTIAN, KIRBS, ANDREAS
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	APPARATUS THEREFOR CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING METALLURGY PHYSICS PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TESTING
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Beschreibung
Zusammenfassung:	The present invention relates to a method for monitoring the total amount of sulphur containing compounds in a metal or metal alloy plating bath, wherein the sulphur containing compounds contain at least one sulphur atom having an oxidation state below +6, the method comprising the steps (a), (b), optionally (c), and (d). Said method is a means of providing control over a metal plating process. Thus, the present invention relates furthermore to a controlled process for plating a metal on a substrate utilizing the method of the present invention for monitoring the total amount of said sulphur containing compounds.