Screen printing method for forming a multiplicity of printed wir

Details Screen printing method for forming a multiplicity of printed wir Screen printing method for forming a multiplicity of printed wir

1992-03-16

1993-10-26

Owens, Terry J.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427272, 427275, 427282, 101129, B05D 512

Patent

active

052564428

ABSTRACT:
Method to form a photosensitive ink film having an even thickness over the entire surface of a broad plate material capable of obtaining a multiplicity of printed wiring boards. An emulsion pattern 4 is provided on a screen 3 on which a squeegee travels. The pattern 4 is formed correspondingly to a cutting spaces of a plate material for the purpose of obtaining a multiplicity of printed wiring boards. When a photosensitive ink is forced onto the broad plate material through a screen 3 for a screen printing, the photosensitive ink is dispersed by the pattern 4, thereby forming a film of even thickness over the entire surface of the plate material not corresponding to the emulsion pattern.

REFERENCES:
patent: 2755196 (1956-07-01), Scholl
patent: 4123572 (1978-10-01), Gidley
patent: 4437140 (1984-03-01), Ohyama et al.

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