Printed Circuit Board Assembly & PCB Design Forum
SMT electronics assembly manufacturing forum.
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Hello all,
I am randomly getting solder short due to voids ...
- Jun 16, 2020
by
Srini
Your statement is interesting, but not necessarily correct. ...
- Jun 16, 2020
by
Evtimov
Thanks for your response.
Shorts are happening in differen...
- Jun 16, 2020
by
Srini
Voids form mainly two ways.
1. Contamination - due PCB pads...
- Jun 16, 2020
by
Evtimov
Point one -; I am also having this concern but based on the ...
- Jun 16, 2020
by
Srini
These are great pictures. I have never seen this kind of sol...
- Jun 17, 2020
by
Evtimov
Thank you for your valuable inputs.
Current two SMT line is...
- Jun 17, 2020
by
Srini
I would say you check FAB drawing and see if there is any st...
- Jun 18, 2020
by
Evtimov
Usually board house should inform you of these.
Here suppli...
- Jun 18, 2020
by
Srini
We also don't inspect any things in incoming PCBs. We have C...
- Jun 19, 2020
by
Srini
Hi SRINI,
Are you able to show X-ray of these 2 locations fr...
- Jun 30, 2020
by
CPH
Hi CPH,
Thanks for your response.
Sure I will share. But g...
- Jun 30, 2020
by
Srini
Few more images attached.
...
- Jul 07, 2020
by
Srini
Interesting!. They don't look like voids as usual meanings. ...
- Jul 08, 2020
by
DucHoang
Hi DucHoang,
Thanks for the response.
I will share the im...
- Jul 08, 2020
by
Srini
OSP board finish is the issue. With OSP microBGA board, we n...
- Jul 08, 2020
by
DucHoang
Thanks for your input.
I do understand from this thread tha...
- Jul 08, 2020
by
Srini
Hi,
Image 1 - Solder short image
Image 2 Same component X r...
- Jul 10, 2020
by
Srini
The bubble inside BGA ball locate at via in pad and apply th...
- Jul 11, 2020
by
researchmfg
Thanks for your valuable inputs.
I will work to apply resin...
- Jul 11, 2020
by
Srini
We are currently running different make PCB and no such kind...
- Jul 31, 2020
by
Srini
That was the most logical. I am glad you solved it.
...
- Jul 31, 2020
by
Evtimov
Good to hear problem has gone.
...
- Aug 02, 2020
by
researchmfg
Could you please enlight me on how to prove the issues by us...
- Aug 04, 2020
by
Srini