Turbulent cell electroplating method and apparatus

Details Turbulent cell electroplating method and apparatus Turbulent cell electroplating method and apparatus

1986-02-21

1987-08-11

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

C25D 502

Patent

active

046860142

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 circuit 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 Electrolyte circulation is maintained by pumps with the electrolyte being withdrawn from the tank for filtering and replenishment through manifolds in the walls separating the cells within which the paddle assemblies operate.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: 4174261 (1979-11-01), Pellegrino
patent: 4443304 (1984-04-01), Eidschun

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