Electrolysis: processes – compositions used therein – and methods – Electrolytic erosion of a workpiece for shape or surface... – Gap maintenance or defined tool-workpiece gap
Reexamination Certificate
2002-11-29
2008-09-23
Phasge, Arun S (Department: 1795)
Electrolysis: processes, compositions used therein, and methods
Electrolytic erosion of a workpiece for shape or surface...
Gap maintenance or defined tool-workpiece gap
C205S672000, C204S239000, C204S262000, C204S263000
Reexamination Certificate
active
07427345
ABSTRACT:
A method and device for regenerating an ion exchanger can regenerate an ion exchanger easily and quickly, and can minimize a load upon cleaning of the regenerated ion exchanger and disposal of waste liquid. A method for regenerating a contaminated ion exchanger includes: providing a pair of a regeneration electrode and a counter electrode, a partition disposed between the electrodes, and an ion exchanger to be regenerated disposed between the counter electrode and the partition; and applying a voltage between the regeneration electrode and the counter electrode while supplying a liquid between the partition and the regeneration electrode and also supplying a liquid between the partition and the counter electrode.
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Co-pending U.S. Appl. No. 10/337,357, filed Jan. 7, 2003, entitled “Electrolytic Processing Device and Substrate Processing Apparatus”.
Hirokawa Kazuto
Kobata Itsuki
Kumekawa Masayuki
Makita Yuji
Nabeya Osamu
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