Electronics Forum: poor solder fillet (Page 1 of 143)

solder fillet peeling

Electronics Forum | Thu Jul 03 12:03:00 EDT 2003 | slthomas

So, there is a crack or gap between: * Solder and component termination. Bingo Correct? Describe: * Coarseness / smoothness of the metal on the termination underneither the crack. * Solder left on the termination. Unfortunately at 45X I can't rea

solder fillet peeling

Electronics Forum | Thu Jul 03 07:43:50 EDT 2003 | davef

So, there is a crack or gap between: * Solder and component termination. * Component termination and component body. Correct? Describe: * Coarseness / smoothness of the metal on the termination underneither the crack. * Solder left on the terminatio

Palladium poor wetting

Electronics Forum | Tue May 23 09:27:37 EDT 2006 | Steve

Sorry I misled you. The PCB pads are wetting, but there is no fillet being formed. After reflow, it looks as though no paste was put down on the pads; however the paste print is fine. All other components solder real nice, it's only the Pd-Ag parts t

ENIG poor wetting

Electronics Forum | Wed Jul 31 08:23:49 EDT 2002 | mcm4me

221C). 2D vision can very effectively detect % pad coverage, I use it on my DEK and this customer has an MPM which I also believe to be capable. Here is another fact, when the customer uses Brand X solder paste the defects due to what they call pad

solder fillet peeling

Electronics Forum | Mon Jul 07 11:36:11 EDT 2003 | slthomas

It's definately soldering because the fillet is pulling the solder plating (I believe, from what I can see under available magnification) off of the termination, and some of the nickel plating as well.

Voids in solder fillet

Electronics Forum | Wed Apr 16 13:19:13 EDT 2003 | Takfire

Thanks Russ! The origianal complaint from the customer was in regards to what appeared as "bumpy" appearance and "holes" in the solder fillet. This problem was originally presented as an appearance issue only. Further investigation by our DPA lab r

Voids in solder fillet

Electronics Forum | Wed Apr 16 10:45:16 EDT 2003 | Takfire

Recent cross-section analysis for a customer complaint revealed voiding in the solder fillet. In some cases, the remains of outgassing were also observed. During the failure analysis, we also observed failures where the solder fillet wicked on the

solder fillet peeling

Electronics Forum | Mon Jul 07 11:40:32 EDT 2003 | davef

If it's soldering, you have good plating.

Voids in solder fillet

Electronics Forum | Thu Apr 17 13:35:49 EDT 2003 | davef

A-610 talks to acceptable voiding.

Voids in solder fillet

Electronics Forum | Thu Apr 17 18:18:34 EDT 2003 | davef

We undoubtedly will take you up on that offer. Please email contact information.

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