Electronics Forum: solder (Page 1 of 2040)

solder wire

Electronics Forum | Mon Oct 01 16:55:27 EDT 2001 | davef

I agree. Poor soldering technique is the most straightward way of creating solder balls during hand soldering operations.

solder wire

Electronics Forum | Tue Oct 02 12:56:41 EDT 2001 | Scott B

We have come across this where the operator was using thin gauge solder wire (more suited to fine pitch SMT soldering) to form large solder fillets (power connections or sheild cans). We found that the operator was feeding large amounts of solder wir

solder balls

Electronics Forum | Fri Jul 06 18:17:34 EDT 2001 | davef

We find no solder balls after washing our boards. It works GREAT!!! ;-) Probably more to the point, look at "Circuits Assembly" 7/01, p 40, "Eliminating Solder Beads In No-Clean PCBs". "Solder mask type & composition are the greatest contributor t

99C solder

Electronics Forum | Wed Oct 01 10:01:15 EDT 2008 | davef

We've never used the 99*C lead-free solder you mention. We have used a leaded solder that can form a 93*C eutectic solder. So, we had to be sure the service temperature [of the solder connections] as below 80*C.

solder ball

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

solder ball

Electronics Forum | Tue Dec 31 02:04:19 EST 2019 | sssamw

From the picture, I cannot see clearly solder ball violate electrical clearance or cause a short, maybe it is. What I can see is the solder paste has some misalignment although it doesn't printed in solder mask area, but actual position will reduce

solder balls

Electronics Forum | Mon Jul 16 19:27:27 EDT 2001 | eliishee

I have no choice, as per customer's request to remove the solder balls. Can i use water to clean away the solder ball since i'm using RMA solder paste not the water soluable paste.

solder balls

Electronics Forum | Mon Jul 16 19:36:09 EDT 2001 | steven

I hv no choice as per customer's request to remove the solder balls. Can i just use water to clean away the solder balls since i'm using RMA solder paste and not the water soluable paste?

solder Profile

Electronics Forum | Fri Jun 12 23:52:42 EDT 2015 | armandogomez

Reflow? or Wave solder? or selective wave solder? For what I understand you problems is with the preheaters you have a high temp that dries up the flux, and when hits the wave is doing that, do you have a thermal profiler? what's the temp just befor

solder ball

Electronics Forum | Tue Dec 31 02:06:21 EST 2019 | sssamw

Yes, from the picture, it seems the gap between solder pad is very small, easy to have solder ball/solder bridge.

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