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
Electronics Forum | Thu Jun 17 21:31:06 EDT 1999 | Dave F
| | Does anyone know where I can find a list of things to do to when troubleshooting issues during the wave solder process? | | | | for example: | | | | Solder Bridge | | 1.verify amount of flux been aplied. | | 2.verify turbulance on your solder w
Electronics Forum | Fri Jun 04 17:26:11 EDT 1999 | C.K.
| | | | Geez, those test guys are always whining about via holes, aren't they? I even had one test guy go over to our finals/add-on department and instruct everone to look for unfilled vias and fill them by hand! Without consulting the area manage
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