Electronics Forum: gold discolouration (3)

Gold Pads Soldering problem

Electronics Forum | Thu Dec 15 02:09:22 EST 2005 | tk380514

SNAGGLETOOTH HOLDS HIS HANDS UP, HAVING JUST REACHED THE EDGE OF HIS OWN IGNORNACE. I just read up on black pads - http://www.emsnow.com/npps/story.cfm?ID=9784 when i checked the joints under the microscope they were a light grey slightly discolou

Soldering problem with Au plating PCB

Electronics Forum | Sun Jan 25 17:40:16 EST 2009 | cuperpeter

Hello All, I have a problem with nonwetting Au finish after second cycle of reflow soldering doublesided boards. Solder nonwetted pcb pads (is wicked to component terminations) Either these pads or some of non component pads became discoloured from

Express Newsletter: gold discolouration (84)

SMTnet Express - August 7, 2014

SMTnet Express, August 7, 2014, Subscribers: 23058, Members: Companies: 13975, Users: 36604 Gold Embrittlement In Lead-Free Solder. Craig Hillman, Nathan Blattau, Joelle Arnold, Thomas Johnston, Stephanie Gulbrandsen; DfR Solutions , Julie Silk


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