Electronics Forum: technologies 20c (Page 1 of 1)

Solder wetting to ENIG pads

Electronics Forum | Tue May 13 08:26:29 EDT 2008 | davef

First, on your reflow temperature comment: The 183*C focus for reflow recipes for tin-lead solder is a falicy. If you held a recipe for tin-lead solder at 183*C peak, it would never reflow. Recipes for tin-lead solder need to be at liquidus plus 20*C

Re: Double sided reflow

Electronics Forum | Fri Feb 13 08:54:43 EST 1998 | justin medernach

| Hi , | I have not been able to find any good description on how to perform double sided reflow on PCBs.The best would of course be to avoid reflowing the bottom side again but in real life this is not possible. | So when double sided reflow sol

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