Electronics Forum | Thu Mar 22 17:38:44 EST 2001 | davef
OK, lemme take a different angle on this, �cuz I forgot to touch on this when I first responded. I mentioned a study ["Evaluation of Low Residue Soldering for Military and Commercial Applications: A Report from the Low-Residue Soldering Task Force"
Electronics Forum | Thu Aug 12 22:31:10 EDT 1999 | Dave F
| Hello, | | Can any netters suggest what critical parameters should be considered & what are there assoicated impacts for a solder paste printing process ... | | B.Regards, | Felix | Felix: There are some 30 variables that affect SMT solder qua
Electronics Forum | Thu May 06 18:18:15 EDT 1999 | JohnW
| OK, my manager read an article on printing glue (aaargghh!)and wants to know why we aren't doing it. We currently use Fuji GLs and GDMs to dispense glue. I've never done it, but have seen it done at NEPCON and other shows. It looks OK, BUT what
Electronics Forum | Mon Jul 26 19:37:47 EDT 2004 | Grant
Hi, It was funny. The sight of 3 men standing around the microwave daring each other to push the start button, and then freaking out when the whole thing looked as though it was going to explode was funny. I guess you have to try these things! Tho
Electronics Forum | Tue Sep 21 11:39:41 EDT 2004 | pabloquintana
Conformal coat a bare board to determine if there > is there is enough surface free energy from your > solder mask to prevent dewetting. Sorry for my ignorance, but what is "enough surface free energy"? How do I determine that? >* Bake a board
Electronics Forum | Thu Feb 28 21:01:09 EST 2008 | davef
Tony: Thanks posting information about your experience with strippers. First, why did you need to strip the entire board? Next, please clarify the following points to expand our knowledge of using Humiseal 1063 Stripper: * How long was the conforma
Electronics Forum | Tue Jul 25 16:08:52 EDT 2017 | dontfeedphils
I'm currently working on bringing a manual coating process/workcenter online and my QA team is giving me some grief. For background, we're using Humiseal 1B31 thinned with thinner 521, mixed at 1:1 by volume. Spraying through a Binks HVLP with 10 P
Electronics Forum | Mon Aug 07 10:22:13 EDT 2000 | genglish
Ramon, I have had experience in the problems you are witnessing. The problem can relate to a number of factors. Obviously the printing process is the first place to start your investigations, try looking at the stencil apertures for bleed under the
Electronics Forum | Wed Mar 29 09:31:28 EST 2000 | Erick
Marc: My experience found reliability IS a function of operator skill and attension to the process. Expecially for some RF assemblies. I worked with an engineer from Rogers to develope a process for reworking Pads for a special material. (I thing
Electronics Forum | Mon Jan 26 11:46:16 EST 1998 | Rin Or
| I have a problem! The solder on my pc boards look great comeing out | of my reflow oven. They go thrue the rest of the prossese | and at the end at the qc station it's cold or whitish or gray not shiny. | does any one have a idea on how to correct
