Electronics Forum | Wed Jul 28 08:47:08 EDT 2010 | vetteboy86
by viewing your posting i came to know this is > solder ability issue which is because of > marginable solder ability of PCB / > components, > > just ensure that issue due to > PCB or component . check the msl of of substrate > / component. v
Electronics Forum | Thu Jul 22 16:30:59 EDT 2010 | dyoungquist
It is likely that the pads that will not solder have been contaminated. There is something on the surface that is preventing the solder from flowing.
Electronics Forum | Wed Jul 28 09:15:46 EDT 2010 | vetteboy86
I took a pad that did not have any solder flow (wetting issue with pad) and not reworkable with soldering iron, and scraped with an exacto knife. After scraping the pad soldered fine. Any suggestions?
Electronics Forum | Wed Jun 22 01:57:28 EDT 2016 | sachinverma
we face the problem to last month dry solder issue.when we found PCB is dry. (PTH not fill not properly)then we change the parameter like flux Tank pressure increase 130 to 250. after these activity PCB is ok no dry solder found......but problem is o
Electronics Forum | Wed May 11 09:07:46 EDT 2016 | SN
We are facing SMT components No solder and solder bridging issue (Glue PCBA) at wave soldering process. Fine tuned the wave parameters improved but not able to eliminate the issue. Suspecting because of moisture pad and component leads contaminated d
Electronics Forum | Tue May 29 10:08:17 EDT 2007 | aj
Hi Dave, The customer is supplying a new batch as this batch just doesnt want to solder. aj...
Electronics Forum | Tue Mar 25 22:51:26 EDT 2008 | davef
This doesn't sound like a solderability issue. It sounds more like nonwetting.
Electronics Forum | Sun Dec 06 21:31:47 EST 2009 | rajeshwara
Attached is the BGA BALL soldered underneath reflow profile , plz check and advice.
Electronics Forum | Mon Oct 03 19:15:32 EDT 2005 | cn
is this a single brd or multi up array? What is the thickness? where were the brds made, state/country? I had an issues with a brd which was fabed in mexico during the humid months there was mosture trapped in the brds which caused many strang things
Electronics Forum | Mon Nov 14 10:45:05 EST 2005 | kmeline
We seem to be having a lot of issues with solder not flowing to the end of surface pads especially on fine pitch. These are assemblies we have run in the past with few issues. The bareboard finishes do not look the best. Has anyone been experiencing
