Electronics Forum: dewetting and ag (Page 5 of 5)

ENIG poor wetting

Electronics Forum | Tue Jul 30 12:15:15 EDT 2002 | Rick Lathrop

Hi Dave, The paste applied to the board ends up on the tombstone. The pad has a thin covering of solder most of the time, this is why I think they call it a dewet. Occasionally the pad shows some areas of gold and very rarely are some pads not wet at

Immersion Gold over Nickle de-wetting problem

Electronics Forum | Fri Mar 07 05:36:21 EST 2003 | O' Connor

Hi Again, In answer to DaveF - Yes solder is fine where the solder paste is deposited , but the part of the pad visible after pasting is still visible after reflow. Previously the solder paste & all the gold diffused & flowed giving a complete silve

Palladium silver surface finish

Electronics Forum | Fri Aug 13 16:54:20 EDT 2004 | davef

If the terminations on your components are not barrier plated, you must be very careful about the amount of time you stay above liquidous. As you'd expect, longer is not better. The longer you stay at liquidous, the more of the component terminatio

Re: Soldering to Gold

Electronics Forum | Sat Sep 18 13:05:57 EDT 1999 | Brian

| | | | | | Dave, I'll respond by paragraph: | | | | | | | Brian: | | | | | | I like Ag2 also. I prefer it over both 63/37 and 60/40, if the price is not a factor. Yes, gold rips through eutectic and near-eutectic solders like habanero slath

Re: Soldering to Gold

Electronics Forum | Sat Sep 18 14:37:00 EDT 1999 | Earl Moon

| | | | | | | | | Dave, I'll respond by paragraph: | | | | | | | | | Brian: | | | | | | | | I like Ag2 also. I prefer it over both 63/37 and 60/40, if the price is not a factor. Yes, gold rips through eutectic and near-eutectic solders like

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