Patent ID: 6237484
Filing Date: 2001-05-29
Classification: B41F,B41P

Abstract:
A screen printing apparatus, comprising:a mask having pattern openings;a squeegee for forming a pattern on a substrate, the squeegee being slid on an upper surface of said mask to print the pattern by forcing paste supplied on the upper surface of said mask onto the substrate placed under a lower surface of said mask through the pattern openings;cleaning paper to be brought into contact with the lower surface of said mask;a roller pressed against the lower surface of said mask with said cleaning paper interposed therebetween;roller moving means for moving said roller in a desired direction with respect to the lower surface of said mask;cleaning paper vibrating means for vibrating said cleaning paper in a plane substantially parallel to a plane of the lower surface of said mask while said roller moves in the desired direction; andcleaning paper moving means for alternately moving said cleaning paper forward and backward over said roller while said roller moves in the desired direction.