Circuit board screener spot suppressor

Details Circuit board screener spot suppressor Circuit board screener spot suppressor

1996-11-05

1998-12-08

Yan, Ren

Printing

Stenciling

Traveling-inker machines

101129, 101425, B41F 1512

Patent

active

058455728

ABSTRACT:
A vertical screening apparatus in which the a circuit board in transported into and out of a print zone before and after vertical reciprocation of flood blades, spot suppressor squeegee, and print squeegee. A spot suppressor squeegee is provided to smear dots of ink residing on the inside a screening membranes after a previous circuit board has been screened.

REFERENCES:
patent: 4937097 (1990-06-01), Ichinose et al.
patent: 4957044 (1990-09-01), Cronin
patent: 5070782 (1991-12-01), Sakai et al.
patent: 5265531 (1993-11-01), Cronin
patent: 5485781 (1996-01-01), Rovaris

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