Electronics Forum | Wed May 14 12:35:34 EDT 2008 | rgduval
Thanks, Chunks. That's the one point of the experiment that we haven't tried yet. Though, we came to the same conclusion just yesterday. Dave, so far, the most help we've gotten was from the paste manufacturer. I've involved the board house, but
Electronics Forum | Mon Jun 30 12:41:03 EDT 2008 | realchunks
Hi Dave, I am not a sales person pushing my wares here, just my engineering experiences - so I hope I am not out of line here on this forum anymore. When it comes to selective or spot soldering - it all depends on your board design. Many people al
Electronics Forum | Mon Jul 14 09:41:35 EDT 2008 | davef
Q1. Do we really need to follow the IPC J-STD-001 Solder purity? A1. Yes, you should control impurities in solder. Further information: * "Allowable concentration of contaminating elements in solder: impurities are harmless unless their level goes to
Electronics Forum | Thu Jan 29 19:01:51 EST 2009 | stevek
Allow me a contrary viewpoint. I've had these things on my floor and had customers get outsourced evaluations done with them. Most expensive boat anchors I've run across. First the good points: The automated scanning and pattern recognition is go
Electronics Forum | Wed May 16 15:40:56 EDT 2012 | davef
Here's some notes from a Bob Willis presentation Assembly of Flexible Circuits with Lead-Free Solder Alloy [Bob Willis leadfreesoldering.com] * Flexible Circuit Construction ** Base Material - 0.05mm Copper 18/18 um ESPANEX from Holders Technologies
Electronics Forum | Thu Mar 23 10:15:57 EDT 2017 | solderingpro
Rob, That is where Bob works. ------------------------------------------------------- There are many companies that exist offering multiple different products and procedures for cleaning pcb assemblies. I agree, in my practice, most companies str
Electronics Forum | Mon Jul 31 20:34:58 EDT 2017 | zsoden
Hi all, it has been a bit of a delay but I've finally had a chance to do some further investigation on this. First off, we spend some time to clean the solder bath using Kester Solder Saver and scooped out a lot of crap. We then added about 5kg of
Electronics Forum | Wed Jun 30 13:48:57 EDT 1999 | JohnW
| | | | | | | | | | | | snip | | | | | | | | | | | | | John and Dave, | | | | | | | | | | | | | | Again, I don't work with larger chip devices with this issue. The company I now work with developed a strategy, based on considerable research (as ot
Electronics Forum | Wed Jun 30 15:24:23 EDT 1999 | Earl Moon
| | | | | | | | | | | | | | snip | | | | | | | | | | | | | | | John and Dave, | | | | | | | | | | | | | | | | Again, I don't work with larger chip devices with this issue. The company I now work with developed a strategy, based on considerable res
Electronics Forum | Wed Jun 30 17:52:06 EDT 1999 | JohnW
| | | | | | | | | | | | | | | | snip | | | | | | | | | | | | | | | | | John and Dave, | | | | | | | | | | | | | | | | | | Again, I don't work with larger chip devices with this issue. The company I now work with developed a strategy, based on cons
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