Method for electrode renewal
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United States of America Patent
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Apr 16, 2013
Grant Date -
Feb 18, 2010
app pub date -
Aug 18, 2008
filing date -
Aug 18, 2008
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Abstract
A method for electrode renewal, for use in an electrolytic processing chamber for a liquid therein wherein the processing includes, for a pair of electrodes in the chamber, placing a positive voltage on one electrode in the chamber and placing a like negative voltage on another electrode in the chamber. It has been common practice to reverse the voltage between these electrodes in order to re-dissolve the buildup thereon. Now, the present inventor has observed that a voltage passing through or across an electrode will cause some minor cavitations on the electrode surface between the contact junctures of the voltage, and apparently the cavitations results in the buildup there-on detaching in bulk; which is much faster than the heretofore known re-dissolve processes of electrode renewal.
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