The Removal of In2O3SnO4 Thin Film Using an Arc-Form Tool for the Precision Recycling of Defective Digital-Paper

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A newly designed arc-form shaped tool was used to carry out precise micro electrochemical etching (MECE) to remove Indium-tin-oxide (In2O3SnO2) thin-film nanostructures from the optical PET diaphragm surfaces for digital-paper surface. For this precise removal process, a higher current with a faster feed rate of the optical PET diaphragm effectively achieved rapid material removal. A pulsed direct current can improve dregs discharge and is advantageous when associated with fast PET feed rates, but this raises the total current required. A higher temperature or flow velocity of the electrolyte corresponds to a higher removal rate of the In2O3SnO2 nanostructures. A high rotational speed of the arc-form shaped tool corresponds to a higher removal rate of In2O3SnO2. A large cathode, along with a small gap-width between the cathode and the PET diaphragm, increases In2O3SnO2 removal rates. A thin cathode, or a short arc length of the arc-form anode, reduces the time taken for In2O3SnO2 removal.

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288-291

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March 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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