Electrode and method for measuring levelling power

Details Electrode and method for measuring levelling power Electrode and method for measuring levelling power

1992-11-20

1993-12-28

Niebling, John

Chemistry: electrical and wave energy

Apparatus

Electrolytic

205 83, 205103, G01N 2726

Patent

active

052736415

ABSTRACT:
The invention provides an apparatus and method for determining levelling power of an electrolyte. An anode and cathode are immersed in the electrolyte. The cathode has a plating surface for electrodeposition of a metal from the electrolyte. The plating surface has a peak region and a base region separated and electrically isolated by an insulator. The peak region has a greater tendency to electrodeposit the metal per unit surface area than the base region. The anode and cathode are placed in a test cell or suspended in a commercial electrodeposition cell. A means for applying current between said anode and said cathode is used for causing the metal from the electrolyte to electrodeposit on the plating surface of the cathode. The current from plating on the peak region and the base region are measured separately to determine levelling power of an electrolyte.

REFERENCES:
patent: 4146437 (1979-03-01), O'Keefe

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