Electronics Forum | Fri Sep 09 06:10:03 EDT 2016 | jswatt
the time between SMT & wave should be as short as possible but at a max it is controlled by strictest MSD part, so if you have a part with only a 48hr MSL window then it needs to be with the 48hrs. Can you post images of what you are getting? It may
Electronics Forum | Thu Sep 27 23:24:22 EDT 2007 | mika
Fe2+(aq) + 2e- "harply, but this is of no consequence since OH- ions are always present, even in pure water.) The cations then react with the OH- or even the H+ ions and dissolved oxygen to form a variety of compounds, which constitute rust: Fe2+(aq
Electronics Forum | Sun Apr 03 00:18:47 EST 2005 | Haran
What is the minimum pitch for PTH component not tend to have solder shorts during wave soldering process.
Electronics Forum | Tue Jul 18 00:34:34 EDT 2023 | hazira1991
Out of 8 pcs reject (solder short) found 1 pcs have bulging.
Electronics Forum | Fri Jul 21 12:01:09 EDT 2006 | CKH
Hi Folk, what is the possible cause for the components (e.g ICs) to be Solder shorted? I know that one of the cause is the solder paste height is too thicked. Could anyone advise me on then possible root cause and solution(to minimize the rate of so
Electronics Forum | Fri Jul 10 17:27:25 EDT 2020 | rsatmech
Hi, Image 1 - Solder short image Image 2 Same component X ray image Image 3 PCBA Solder short pad image (after removing the component) Image 4 Component pad image Image 5 PCBA pad image after tinning.
Electronics Forum | Mon Jul 17 01:45:32 EDT 2023 | hazira1991
Hello, Im currently having BGA solder short issue which happen only at the center of the BGA during fresh production run. During rework using SRT also i did encounter the same solder short issue. Kindly provide your thoughts on this as how to appr
Electronics Forum | Tue Jul 18 00:02:41 EDT 2023 | hazira1991
Yes. i do check all the parameter all seams good. I did compare my solder paste printing and profile with previous lot that did not have any BGA solder short issue which we run at the same line did not have any much difference. During rework also i
Electronics Forum | Fri Dec 27 01:30:13 EST 2002 | haran
Currently we are running a BGA with a big thermal pad in the middle of the package and encountered high defect of solder shorts.I would like to check whether anyone has experience this problem and how this can be rectified?.