Electronics Forum: solder and problem (Page 1 of 619)

micropad solder problem ?

Electronics Forum | Mon Nov 05 14:01:21 EST 2007 | dphilbrick

Not only a wizard but a damn good interrupter too there Dave.

micropad solder problem ?

Electronics Forum | Thu Nov 01 22:32:57 EDT 2007 | lvzhu

CSP has pillow, the BGA's ball doesn't combination with the solder paste. also ,the 0402 chip aftet the oven ,the surface looks like many tin ball pile together. how solve this problem. thanks for your discuss.

micropad solder problem ?

Electronics Forum | Tue Nov 06 15:07:43 EST 2007 | russ

Sounds like you did not achieve reflow at all, what max temp did you hit in oven? Russ

solder joint problem

Electronics Forum | Fri Jul 26 08:25:25 EDT 2013 | emeto

If there is a way to pre-tin the parts, that might help in forming better joint with gold.

solder joint problem

Electronics Forum | Mon Jul 29 05:48:35 EDT 2013 | anilw2006

Thanks for support. Is it any special process of pre-tinng? Regards, Anil wagh.

micropad solder problem ?

Electronics Forum | Sat Nov 03 09:39:27 EDT 2007 | davef

Flux exhaused or CSP never came to peak temperature * BGA balls don't combine with the solder => Flux exhaused or BGA balls never came to peak temperature * 0402 surface looks like many tin balls piled together => Flux exhaused Start your thermal

solder joint problem

Electronics Forum | Fri Jul 26 05:14:38 EDT 2013 | anilw2006

We had a solder joint problem in gold plated PLCC68 ic. We do double sided reflow process with Cookson OL107F paste. First we do top with paste and second with glue process.The solder joint shape and wetting looked normal.In the process of testing

Soldering robot and solder balls

Electronics Forum | Tue Jun 20 15:08:30 EDT 2017 | ranap121212

Hello I have the problem with selective soldering on the robot. Thin balls appear on the laminate. The tin sometimes shoots...? and then the balls are a few millimeters from the soldering point. I tried up or down with temperature, but it did not wor

wave soldering and solder bridge

Electronics Forum | Mon Dec 17 11:55:08 EST 2007 | chef

I recently had the same problems, solder bridges on every thing I made, different customers boards, etc. I wave with no-clean flux. As I sorted out problems (pin holes, blow holes, splatter, etc.) I found a lot of variable factors. I changed flux,

Soldering robot and solder balls

Electronics Forum | Wed Jun 21 19:01:48 EDT 2017 | mac5

Try baking the boards; you may have a moisture problem.

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