H - Electricity – 05 – K
Patent
H - Electricity
05
K
H05K 3/28 (2006.01) B05B 7/26 (2006.01) B05B 15/02 (2006.01) B05C 9/06 (2006.01) B05D 1/02 (2006.01) B05D 7/24 (2006.01)
Patent
CA 2088141
Apparatus far applying a conformal coating to circuit boards which includes fluid circuits for applying coating material, solvent and drying circuits for cleaning the coating material circuits, and both a solvent dock and a nitrogen dock for the coating application nozzle to prevent skin-over of various coating materials thereon between coatings. Changeover controls and circuits for changing coating materials are disclosed, as well as solvent dump and replenishment circuits for the applicator nozzle solvent dock, and a supply line and cup for the alternative nitrogen dock.
Donges William E.
Turner James J.
Corporation Nordson
Macrae & Co.
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