Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1984-11-23
1986-06-17
Tufariello, T. M.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204275, 204276, C25D 1700
Patent
active
045954780
ABSTRACT:
Electroplating apparatus and methods for rapid and efficient plating of printed circuit board and the like are disclosed. In accordance with the method, a printed circuit board is disclosed within a tank of electrolyte and caused to oscillate in the plane of the printed circuit board. On each side of the printed circuit board are a plurality of paddle assemblies which are rotated to maintain a high degree of turbulence in the electrolyte adjacent the printed cirucit board. Ion replenishment for the electrolyte is provided by baskets filled with pieces of the material to be plated, in the embodiment disclosed the baskets themselves being rotatable and having the paddle assemblies integral therewith. Electrolyte circulation is maintained by pumps with the electrolyte being withdrawn from the tank for filtering and replenishment through manifolds in the walls separating the cells within which the paddle assemblies operate. Various alternate embodiments are described.
REFERENCES:
patent: 3424667 (1969-01-01), Frank
patent: 3503856 (1970-03-01), Blackmore
patent: 3798136 (1974-03-01), Olsen
patent: 4139429 (1979-02-01), Steward
patent: 4174261 (1979-11-01), Pellegrino
patent: 4443304 (1984-04-01), Eidschun
Pellegrino Damian
Pellegrino Peter P.
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