Printed Circuit Board Assembly & PCB Design Forum
SMT electronics assembly manufacturing forum.
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We clean (using a pencil eraser) the fiducials on all our PC... - Jun 12, 2012 by Tanderson
We only clean ones that are rejected (typically 1 out of 250... - Jun 12, 2012 by kmots15
I clean all fids with a fiberglass brush pencil so that I kn... - Jun 13, 2012 by isd.jww
I think, each engineer had this situation. Try to change som... - Jun 13, 2012 by ENIAC
When fiducials on pcba's have poor plating and the vision ca... - Jun 13, 2012 by bobpan
We've had our share or troubles with this over the years. F... - Jun 13, 2012 by SWAG
We have a Quad QSV-1 and have had some trouble with it readi... - Jun 14, 2012 by DeanM
DeanM, if I understood correct, you use fiducial with dimens... - Jun 15, 2012 by ENIAC
ENIAC, 0.040" equates to 1mm, not 0.1mm. 0.040" is the IPC m... - Jun 15, 2012 by DeanM
DeanM, thanks for explanation, I will know about this "featu... - Jun 15, 2012 by ENIAC
I have some suggestions. We have been fighting bad fids for... - Jun 25, 2012 by Reese
We clean a good number of fiducials, mostly where HASL PCBs ... - Jul 03, 2012 by Chris Grillo
Gold and Silver finishes are the best for sure. Unfortunate... - Jul 03, 2012 by Reese