Electronics Forum | Sat Aug 05 12:12:05 EDT 2000 | Ramon I Garcia C
Hello Friends: I'm new in SMT process, I have a problem with little balls of solder beside of the component, I'm tried reducing the apertures in the stencil and making home base, some times the balls desappear, but some time not, and some times
Electronics Forum | Wed Sep 07 10:41:24 EDT 2005 | D.B. Cooper
We've seen the same thing - leads of QFPs not as strong as we'd like them to be. In the past 4 years no problem, this Spring they start failing. Touch a solder iron to it and it solders fine. After crunching some data, we found that both QFPs fail
Electronics Forum | Fri Jul 06 04:02:28 EDT 2001 | eliishee
Thanks guys for all the input. i'm still struggling to find out the main cause. at time being, urgently need a suggestion of a effective way to remove all these solder balls. THANKS AGAIN.
Electronics Forum | Tue Dec 08 08:52:42 EST 2009 | cunningham
How do people prepare there solder paste for screen print? We currently remove them from the fridge and mix them in a 500g solder paste tub mixer to mix the flux and paste together we waste to much paste at the moment as we only use the tub for 1
Electronics Forum | Wed Nov 20 01:38:53 EST 2019 | ajspec
Hi, i'm facing solder mask peel off but limited to the solder defined pad only(opening area). no peel off on the other area and it happened on electroless nickel immersion gold finishing only. for other finishing is not affected. kindly advise if you
Electronics Forum | Fri Apr 29 08:32:17 EDT 2005 | jdengler
I have never frozen solder paste so I'm not sure if it will work. Our paste manufacturer does caution against freezing of the paste but do not say why. Jerry
Electronics Forum | Tue Sep 22 10:05:00 EDT 2009 | roland_grenier
Does anyone know how to calculate solder paste volume required to run a PCBA on an SMT line? I'm looking for a solder paste volume model which include paste waste. Roland
Electronics Forum | Thu Jan 24 11:30:16 EST 2013 | davef
I'm not aware of a solder paste solvent. What do hope to accomplish with such a material? May be we can suggest an alternative.
Electronics Forum | Wed Jan 17 18:42:49 EST 2007 | Richard
I'm trying to get an even solder coating onto a retangular shaped ceramic substrate (5.0mm x1.83mm), but the solder tends to pool on the short side of the substrate.
Electronics Forum | Fri Nov 14 10:40:35 EST 2014 | eniac
I use a two machines from EBSO, Germany. It's a machines with PCB carrier, so, solder pot is fixed. I'm fully satisfied with this equipment, but I use only wettable nozzles. If you would like to buy a new machine, not in used condition, EBSO will be
