Electronics Forum | Tue Mar 03 09:54:11 EST 2009 | dwelch123
If your using regular 63/37 Sn/Pb solder there are alot of other metals such as Antimony,Nickel,Iron,Cadmium,Aluminum,Copper,Gold,Bismuth,to name a few. But you need a certain amount of these metals for proper solder composition. Regarding the Antimo
Electronics Forum | Tue Jan 17 10:53:05 EST 2006 | sarar
Hi Steve, I work for an analytical laboratory that specializes in ionic cleanliness, and we have found through the variety of cleanliness issues we encounter that the Envirosense cleaning chemistries are very effective also, so you might want to add
Electronics Forum | Thu Oct 25 21:04:18 EDT 2001 | davef
You are correct. So, the unit amount of gold [based on IG plating thickness, size of the pad, etc.] dissolves in the solder very quickly. When the solder is liquid for: * A long time, the gold disperses more. * A short time, the gold concentrates a
Electronics Forum | Thu Aug 06 12:58:35 EDT 1998 | Paul J. Lingane
Is there any problem using SMT on gold boards? 15 years ago we were told not to use gold boards, but I can't remember why. Judging by the other postings it now appears to be common. Only problem I see is that the nickel should be plated, not elect
Electronics Forum | Wed Aug 22 17:04:56 EDT 2001 | Doug Chambers
Sorry for the abridged post� The remainder of the post was to ask if anyone is aware of any papers or proceedings that discuss problems associated with thick gold finishes and intermetalics. Thanks, Doug
Electronics Forum | Wed Aug 12 07:22:52 EDT 1998 | Earl Moon
| | | | | Is there any problem using SMT on gold boards? 15 years ago we were told not to use gold boards, but I can't remember why. Judging by the other postings it now appears to be common. Only problem I see is that the nickel should be plated,
Electronics Forum | Wed Aug 22 17:00:51 EDT 2001 | Doug Chambers
I am researching articles with respect to intermetalics growth associated with gold as a final metalization. We are currently looking at a few options that include a 10uin flash followed by a 30uin selective and a total 30uin finish. The concern is
Electronics Forum | Mon May 24 19:38:33 EDT 2010 | smt_guy
Has anyone here specially the Gurus heard, used or seen a Reflow Oven with Vacuum? Is the result really good when it comes to reducing Voids? Can you share any info about this oven? thanks and regards...
Electronics Forum | Wed Jun 09 12:11:11 EDT 2010 | sjohnson
We have been doing pilot runs with vacuum installed on vapor phase. Voids are down but bridges are up on the .5mil BGAs.
