Printed Circuit Board Assembly & PCB Design Forum
SMT electronics assembly manufacturing forum.
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Hello, Im currently having BGA solder short issue which hap... - Jul 17, 2023 by Hazira
Things I would check: - solder paste - reflow profile - st... - Jul 17, 2023 by MagyarT
Fresh production run? As in starting with BGAs opened from ... - Jul 17, 2023 by Stephen
Yes. i do check all the parameter all seams good. I did comp... - Jul 18, 2023 by Hazira
Is a fresh lot. This bga is old date code 2010. we had recei... - Jul 18, 2023 by Hazira
Those photos also look like delamination. The balls are sma... - Jul 18, 2023 by Stephen
Out of 8 pcs reject (solder short) found 1 pcs have bulging.... - Jul 18, 2023 by Hazira
You don't have people that are fanatics about vacuum sealing... - Jul 18, 2023 by Stephen
Hardly can say, possible also. As in store the packaging all... - Jul 18, 2023 by Hazira
Use T5 solder paste Make sure you dont have too much paste, ... - Aug 02, 2023 by Kirillka
May I share regarding this issue. Initially, please define t... - Aug 07, 2023 by Suradi
Good afternoon. If you provide more data, I think you can fi... - Aug 08, 2023 by serge_pirog
I think this part has terrible thermal balance. I assume in ... - Aug 15, 2023 by Evtimov
Measure the temperature of the central and edge balls. There... - Aug 17, 2023 by Denys
Reduce the aperture size, ... - Sep 20, 2023 by Linux
The actual root cause not yet define. But i do check all tha... - Sep 22, 2023 by Hazira
Here the picture after printing. ... - Sep 22, 2023 by Hazira
I see you're having trouble with the offset. Is it always li... - Sep 26, 2023 by serge_pirog
There appears to be plenty of alignment issues going on here... - Sep 26, 2023 by Carl_P