Rotating asymmetric electrode for measuring characteristics of e

Details Rotating asymmetric electrode for measuring characteristics of e Rotating asymmetric electrode for measuring characteristics of e

1976-03-08

1977-08-30

Rolinec, Rudolph V.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 29, 324 65R, 324118, 204199, G01N 2742

Patent

active

040457257

ABSTRACT:
In an electrochemical cell passing a constant current, an electrode rotating asymmetrically with respect to a fixed electrode produces an ac voltage, having a component at the rotational frequency, between the rotating and fixed electrodes because the interelectrode distance and dc solution resistance between the electrodes vary. When this electrode is used in an operating two electrode cell, e.g., a plating bath, the ac voltage may be used to map the spatial current distribution. Measurements of solution conductivity may also be made.

REFERENCES:
patent: 2344859 (1944-03-01), Fox
patent: 2458676 (1949-01-01), Brenner et al.
patent: 3365376 (1968-01-01), Weyland
patent: 3385774 (1968-05-01), Thompson et al.
patent: 3924175 (1975-12-01), Wilson

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