Method and apparatus for testing anode flatness by capacitance m

Details Method and apparatus for testing anode flatness by capacitance m Method and apparatus for testing anode flatness by capacitance m

1974-10-04

1976-10-05

Corbin, John K.

Electricity: measuring and testing

Conductor identification or location

Inaccessible

29593, 324 61P, G01R 2726, G01N 2722

Patent

active

039847675

ABSTRACT:
A method and apparatus for assessing the flatness of a metal anode (e.g. a foraminous titanium anode) which comprises measuring the capacitance of the electrical capacitor formed by urging towards each other under a predetermined load the working surface of said anode and a rigid plane sheet of an electrically conducting material (e.g. copper) as the other plate of the capacitor with a sheet of dielectric material (e.g. polytetrafluoroethylene) therebetween. The apparatus is preferably provided with a compensating weight device to offset the additional weight of the anode current lead-in rod.

REFERENCES:
patent: 2872640 (1959-02-01), Eppler
patent: 3257591 (1966-06-01), Hardy et al.
patent: 3348313 (1967-10-01), Urmenyi
patent: 3426272 (1969-02-01), Griffin

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