Method of distributing liquid onto a substrate

Details Method of distributing liquid onto a substrate Method of distributing liquid onto a substrate

1986-02-14

1987-03-03

Beck, Shrive P.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427420, 427421, 427422, 239290, 118300, 118DIG4, B05D 102

Patent

active

046474714

ABSTRACT:
A liquid stream 2 from a nozzle 1 is atomized and distributed over a substrate 3. The liquid falls into a downwardly angled chute 10 formed by strong gas jets focussed to a point X. An air-knife 20 directed vertically downwardly in the plane of X atomizes the liquid.
Gas-knives 12 and 13 are fired alternately and apply equal but opposite deflections to the liquid, which however remains in the plane of 20. The liquid is then evenly distributed on the substrate 3, which is advanced intersecting the plane of 20.

REFERENCES:
patent: 2088542 (1937-07-01), Westin
patent: 4066117 (1978-01-01), Clark et al.

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