Process and apparatus for electrolytically removing protective l

Details Process and apparatus for electrolytically removing protective l Process and apparatus for electrolytically removing protective l

1988-12-07

1989-08-22

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204202, C25F 500

Patent

active

048592986

ABSTRACT:
A process and apparatus is provided to remove protective layers, such as various chromate coatings from metal sheets such as printed circuit boards, copper foils and the like, in a continuous manner while the articles are being conveyed along a predetermined path, by subjecting the same to an electric current, to electrolytically remove the layers.

REFERENCES:
patent: 3351126 (1964-09-01), Richards et al.
patent: 3368959 (1968-02-01), Pedone
patent: 3598171 (1971-08-01), Schultz
patent: 3625806 (1971-12-01), Wennburg
patent: 3649490 (1972-03-01), Nolan et al.
patent: 3807020 (1974-04-01), Van Raeveis et al.
patent: 4196510 (1980-04-01), Gudmestad et al.
patent: 4209379 (1980-06-01), Freeman et al.
patent: 4554062 (1985-11-01), Sergio

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