Electronics Forum: print preasure (Page 1 of 1)

Solder balls defects

Electronics Forum | Fri Jul 27 13:51:53 EDT 2018 | vlad_saviuk

Hi, have some question: during solder paste printing I'm faced with problems on the edge of the PCB - solder balls on gold pads. During analisys we checked everything - change squeegee preasure, different cleaning cycles, squeegee speed - no effect.

Re: Any success using metal squeegees w/Fuji GSPII?

Electronics Forum | Fri Feb 20 14:16:06 EST 1998 | Dave McFadyen

I've been using metal blades on several brands of printers over the past few years and have to agree with comments in other replies. Contact print is a must or you will tear slits in your stencils at the ends of the blade. Center-mounted (floating) s

Re: Any success using metal squeegees w/Fuji GSPII?

Electronics Forum | Fri Jan 30 14:18:24 EST 1998 | M cox

| | Using metal squeegees on GSPs has caused premature stencil wear. Has | | anyone had any success with this combination? How much snap off did you | | use? We are using .5 mm pitch and have a no clean process. | I have been using lots of metal

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