Apparatus with a shunt system for processing printed circuit boa

Details Apparatus with a shunt system for processing printed circuit boa Apparatus with a shunt system for processing printed circuit boa

1993-02-19

1994-02-22

Dawson, Robert A.

Coating apparatus

Projection or spray type

Plural projectors

118324, 13762518, B05B 700

Patent

active

052883230

ABSTRACT:
Apparatus for contacting a circuit board substrate with etching fluid or some other chemical includes a conveyor system comprised of upper and lower rotating disks for receiving and transporting the circuit board substrate while the substrate is contacted with fluid. The apparatus includes a labyrinth seal which is used to prevent fluid from escaping from the apparatus. A shunting system permits the type of fluid applied to the substrate to be readily altered. Housing units incorporated in the apparatus are readily secured together with a resilient clamp.

REFERENCES:
patent: 2517061 (1950-08-01), Stackelberg
patent: 2725896 (1955-12-01), Barker
patent: 4607590 (1986-08-01), Pender

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