Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1977-10-14
1978-10-10
Tufariello, T. M.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204 15, 204206, C25D 502, C25D 508, C25D 706
Patent
active
041195167
ABSTRACT:
Apparatus useful for the continuous manufacture of metal foil or printed circuit patterns includes a cathode supported over a plating tank with its flat bottom surface disposed horizontally. A continuous strip of basis metal to be plated is fed horizontally over the tank from reel to reel while being held in sliding contact with the bottom surface of the cathode by suction. Within the plating tank a pair of insoluble anodes having a block of electrically insulating material sandwiched therebetween are mounted opposite to the cathode, with a spacing between each anode and the basis metal traveling under the cathode. The insulating block has an upwardly opening groove formed transversely therein, and from this groove the electrolyte solution within the tank is caused to flow turbulently through the spaces between the anodes and the basis metal traveling under the cathode in order to speed the electrodeposition, as of copper, on the downward-facing surface of the basis metal.
REFERENCES:
patent: 2244423 (1941-06-01), Hall
patent: 2395437 (1946-02-01), Venable
patent: 3496086 (1970-02-01), Stalson et al.
patent: 3644181 (1972-02-01), Donaldson
patent: 4030999 (1977-06-01), Allen
patent: 4053370 (1977-10-01), Yamashita et al.
Koito Manufacturing Company Limited
Oujevolk George B.
Tufariello T. M.
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