Apparatus for coating circuit boards

Details Apparatus for coating circuit boards Apparatus for coating circuit boards

1994-03-01

1995-06-06

Chin, Peter

Coating apparatus

Solid applicator contacting work

Heater or cooler for applicator or for film-transfer feed...

118203, 118239, 118600, 118DIG4, B05C 500

Patent

active

054218845

ABSTRACT:
In a curtain pouring apparatus for coating circuit boards with a photopolymerizable lacquer, the improvement comprising a heatable roll disposed in a gutter heatable vat above a conveyor belt for the circuit boards and a heatable doctor blade is applied against the roll and infrared lamps are arranged parallel to the doctor blade.

REFERENCES:
patent: 3496699 (1970-02-01), Quarve
patent: 3597295 (1971-08-01), Tenquist
patent: 4264644 (1981-04-01), Schaetti
patent: 4381726 (1983-05-01), Hojburg
patent: 4791004 (1988-12-01), Suzuki et al.

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