Apparatus and process for forming zinc oxide film and process fo

Details Apparatus and process for forming zinc oxide film and process fo Apparatus and process for forming zinc oxide film and process fo

1998-01-16

2000-06-20

Valentine, Donald R.

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Coating moving substrate

205141, 205199, 204202, 204269, C25D 706, C25D 1700, C23C 2800, C25B 900

Patent

active

060774118

ABSTRACT:
An apparatus for forming a zinc oxide film on a sheet substrate including a tank containing an aqueous electrolytic solution containing at least nitrate ions and zinc ions, conveyer means for continuously feeding and conveying an elongated electroconductive sheet substrate having two major surfaces in a direction while dipping a lengthwise portion of the sheet substrate in the electrolytic solution, a counter electrode immersed in the electrolytic solution so as to be opposite to the lengthwise portion of the sheet substrate, and a power supply disposed so as to pass a current between the sheet substrate and the counter electrode, wherein the conveyer means include a plurality of rollers and an endless belt wound about the rollers so as to have a conveyer surface contacting and covering one of the major surfaces of the lengthwise portion of the sheet substrate dipped in the electrolytic solution while moving together with the sheet substrate.

REFERENCES:
patent: 4124454 (1978-11-01), Shang
M.Izaki, "Electrolyte Optimization for Cathodic Growth of Zinc Oxide Films", J. Electrochem. Soc., vol. 143, No. 3, Mar. 1996, L 53-55.

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