Electronics Forum | Thu Oct 20 17:59:39 EDT 2011 | davef
inspection arrow Brady and Shercon are two brand names. People like Digi-Key and All-Spec sell them
Electronics Forum | Thu Oct 20 19:18:22 EDT 2011 | eadthem
Something also to consider is, if you don't need to remove the mark, look in to a uniPOSCA paint markers (water based paint). For us we find the arrows take so much longer than the paint, just poping the cap and dotting the problem and moving on.
Electronics Forum | Fri Oct 21 11:30:56 EDT 2011 | remullis
Thanks I got some coming from BRADY. These will have to be removed. Anyone ever needing the part # its, BIA-RD 2.00 bucks a sheet.
Electronics Forum | Thu Oct 20 12:24:07 EDT 2011 | remullis
Where can I purchase the small RED arrows for component defect flagging? I cant seem to find them anywhere. Thanks
Electronics Forum | Tue May 06 06:29:06 EDT 2003 | yukim
Hi, No, the layout is different, but both have chips located arallel and perpendicularly to the flow direction. And we do have defects in both orientation. What about the PCB warpage? Sometimes we find warped PCBs. Could this affect? Thanks, Yu.
Electronics Forum | Sun Sep 22 23:23:39 EDT 2019 | sssamw
Yes, no wetting on the several leads, to verify is same location of the leads? Looks PCB/IC leads wetting issue, a process contaminated or raw material issue. A cross experiments to verify the potential cause is needed.
Electronics Forum | Thu Apr 24 23:04:45 EDT 2003 | yukim
I've been struggling with this problem for a while. We have two products: A, which is Ok and B, with tombstone defect (0603 & 0805 capacitor chips). A & B have the same design: pad sizes, separation between pads, components orientation. Both have s
Electronics Forum | Wed May 21 12:55:35 EDT 2003 | Zhenya
Several things for your reference: 1. Starting with data collection: - Have you done a measle chart to illustrate the pattern of the defect? - Have you checked the corelation between shift/time and defects rate? - How about a pareto chart? - Do
Electronics Forum | Mon May 26 04:02:13 EDT 2003 | Franky
Dear sir, I think so with every idea , everyone is correct , paste , pattern of pad design ,profiling or solder mask on PCB ,and one of the cause of tombstone that I found is alignment of machine placing and solder printing , from my experience many
Electronics Forum | Thu Mar 27 14:09:41 EST 2003 | Enrique Chairez
Hi All, I have observed this problem with one PCB supplier, the portion of the PCB area affected was cut and observed in SEM (Scanning Electron Microscope) and submitted to an EDX (Energy Disperse X ray analysis), finding Phosphorus levels higher
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