Electronics Forum | Sat Feb 06 07:14:40 EST 2021 | agoesfirmanto
Dear Sirs, very sorry being late reply after a year. Thank you very much for your advices, you are absolutely correct after reduce grounding pad size. No more solder ball issue. Thank you very much. highly appreciate all of your supports. Best re
Electronics Forum | Tue Jun 04 10:39:45 EDT 2002 | jasonfang
Does anyone knows root cause of solderball after reflow? Thanks
Electronics Forum | Tue Jun 04 10:39:54 EDT 2002 | jasonfang
Does anyone knows root cause of solderball after reflow? Thanks
Electronics Forum | Wed Jan 01 22:19:33 EST 2020 | sssamw
Solder ball attached on solder joint without violation minimum electrical clearance is acceptable. If your process parameter including stencil not changed, suggest you check if solder pasted being pushed out after IC placement, also check if solder j
Electronics Forum | Thu Aug 24 14:42:30 EDT 2006 | any
y we had solder ball after reflow owen?
Electronics Forum | Thu Aug 24 15:37:50 EDT 2006 | Chunks
Hi Any, This is from an earlies thread "Solder Ball After Reflow Process". Date: August 16, 2006 01:52 PM Author: Russ Subject: Solder Ball After Reflow Process Oven settings are meaningless here. What does the board see? It is the paste we a
Electronics Forum | Fri Aug 28 06:39:29 EDT 2009 | sachu_70
I had seen such effect caused by the wave itself, where the exposed wave surface was coated by a thin dull oxide layer which then adhered to the bottom side of PCB during wave soldering. You could verify if the wave surface is clean metal when the P
Electronics Forum | Thu Sep 10 15:10:12 EDT 2009 | mefloump
This has some good iinformation for wave solder defects... http://www.trafalgar2.com/troubleshooter/wave_soldering.htm
Electronics Forum | Wed Jul 29 03:32:57 EDT 2009 | dilogic
We recently started to use wave-soldering. As total newbies in that field, we got successful results most of the time. Howewer, this batch of PCB's had a lot of resdiue, as shown on the picture. Most of it is most likely flux, but on some areas even
Electronics Forum | Wed Jul 29 07:57:16 EDT 2009 | davef
Search the fine SMTnet Archives to find previous discussions, like: http://dev.smtnet.com/Forums/Index.cfm?CFApp=1&Message_ID=5157
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