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