System for removing flux residues from printed wiring assemblies

Details System for removing flux residues from printed wiring assemblies System for removing flux residues from printed wiring assemblies

1990-09-18

1991-09-03

Morris, Theodore

Cleaning and liquid contact with solids

Processes

Including use of vacuum, suction, or inert atmosphere

134 254, 134 95, 134108, 134109, B08B 504

Patent

active

050451170

ABSTRACT:
A method and apparatus are provided for cleaning rosin flux residues off of printed wiring assemblies. In accordance with the invention printed wiring assemblies are placed within a processing chamber and a vacuum pump is used to draw a vacuum within the processing chamber. The rosin flux residues are then washed off of the printed wiring assemblies using a solvent for dissolving and removing the flux residues.

REFERENCES:
patent: 4591390 (1986-05-01), Scott et al.
patent: 4635666 (1987-01-01), Daley et al.

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