Electronics Forum: dewetting enig (21)

Solder joint dewetting or non wetting

Electronics Forum | Wed Nov 06 10:03:59 EST 2013 | rgduval

Hi, Peter, I'm not an authority on surface finish thickness, and it's effect on reflowing, so, I can't advise on that front. If the boards are a week old, and ENIG, I would not suspect surface contamination. It's always a consideration, of course,

Solder wetting to ENIG pads

Electronics Forum | Wed May 14 12:42:16 EDT 2008 | rgduval

Dave, Realized I didn't respond to one of your questions. We pasted and reflowed one board, with no components. This board exhibited extreme dewetting on all pads. The board was LF-HASL, and the paste was Qualitek (which we've used for approximat

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