Patent ID: 8648601
Filing Date: 2014-02-11
Classification: C23C,G01N

Abstract:
1. A voltammetric method for the measurement of the stabilizer additive concentration in electroless metal or metal alloy plating electrolytes, comprising the following steps: a. conditioning of the working electrode surface b. thereafter bringing into contact such working electrode surface with the electroless metal or metal alloy plating electrolyte and applying a fixed potential in a three-electrode set-up to said working electrode surface for a time required to reach a steady state of the interaction of intermediate species with the working electrode surface c. measuring the Faradaic current by applying a potential scan starting from the fixed potential applied during step b d. determining of at least one Faradaic current value at at least one potential value of a potential scan, wherein stabilizer additives are added to the electroless metal or metal plating electrolyte in order to obtain the target value, if a deviation of the determined Faradaic current from the target Faradaic current is observed.