Controlling current density
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United States of America Patent
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May 6, 1986
Grant Date -
N/A
app pub date -
Jul 11, 1984
filing date -
Feb 17, 1984
priority date (Note) -
Expired
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Abstract
A vacuum furnace for the ionic surface treatment of workpieces in which the workpiece is connected as one of a pair of electrodes of opposite polarity, and in which a third electrode is located adjacent the workpiece and is connected to it at the same polarity and potential so as to be subject to the same current density as the workpiece, the current through the third electrode being used to indicate said workpiece current density and to control it.
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