Electrostatic coating apparatus and process

Details Electrostatic coating apparatus and process Electrostatic coating apparatus and process

1986-12-03

1988-03-22

Beck, Shrive P.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

118708, 118629, B05D 104

Patent

active

047327774

ABSTRACT:
An electrostatic coating apparatus is described comprising an applicator, means for supplying liquid to the applicator at a controlled rate, means for establishing an electrostatic field between the applicator and a target substrate to be coated and control means providing an output signal to the liquid supply means for setting the rate at which liquid is supplied to the applicator, the said control means also providing an output signal to the field establishing means which, in operation, sets the magnitude of the applied field, the said output signals being such that the applied field is varied in accordance with any change in the rate of supply of liquid to the applicator.

REFERENCES:
patent: 1404200 (1922-01-01), Grush
patent: 2509277 (1950-05-01), Ransburg et al.
patent: 2877137 (1959-03-01), Juvinall et al.
patent: 3048498 (1962-08-01), Juvinall et al.
patent: 4164001 (1979-08-01), Patnaude

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