Help with air pockets inside of soldered contact sockets
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I was just wondering if any of you had ever had issues with air pockets (voiding) inside of sockets on coax connector contacts? I was wondering if double tinning would help with this (the gold removal process), even though I'm not having gold embrittlement issues? I have tried to use a lower flux core percentage wire solder hoping to eliminate air pockets from forming but i am still seeing issues. Any help would be appreciated
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Double tinning will help. Are we using Pb-free solder? If so probably less helpful. If so, what alloy? How are we melting the solder? Soldering pencil, infection? Hot air? I always got good results with American Beauty resistance tweezers., fast uniform heat.
Thanks Guy, We are using SN63 Pb 37 alloy with the American beauty resistance tweezers, (great tools for soldering contacts). The visible solder looks great, but we have some stringent requirements from the customer that include x-ray inspection for voids. I will try the double tinning approach to see it it clears up.. Thanks again, and I'm glad some people are still using this forum.
I haven't been on in months. Just the luck of the draw. What flux are you using? Did you cut through the voids to see if they are really air, or are they trapped flux? Old school rosin can do that. Double tin and an active low solids flux might do the trick.
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