Electronics Forum | Wed Nov 10 18:02:54 EST 1999 | John Thorup
Hi Dave Sounds like what we call a "squeeze ball". Usually caused by excess paste squeezed over the mask between the pads of the component when placed. This sometimes escapes the pull of surface tension back to the fillet and escapes to the side, us
Electronics Forum | Thu Oct 14 12:12:21 EDT 2004 | Shean Dalton
Hello JB, Based on the double sided assemblies, the misprint cleaning process can demand the cleaning system to remove both raw solder paste from the misprinted side of the board, and, reflowed flux residues from the assembled side. Recognizing and
Electronics Forum | Wed Sep 01 14:47:42 EDT 2010 | rway
***Correction*** I stated, "1-2mm is pretty small (that's roughly 4-8mil). You might consider making your fids larger, perhaps 7-10mm (30-40mil)." My conversion was incorrect. I was brash in thinking I could do it by hand. Sanchu 70 is right, 1mm
Electronics Forum | Tue Jan 10 14:04:38 EST 2006 | Mike Konrad
Flashback time� Vapor degreasers, although still used in limited applications, no longer represent the conventional wisdom (due to multiple environmental issues). Aqueous-based technologies are the most common method of defluxing. Unlike most va
Electronics Forum | Thu Mar 27 14:49:20 EST 2003 | MA/NY DDave
Hi Enrique, I don't remember all the energy levels that make the techniques you or your associates are using, effective. Each energy level yields information that must be understood is the best that I should give. HEY Based on my comment, does this
Electronics Forum | Fri Nov 05 17:29:53 EST 2004 | Steve Stach
Most metal stencils today are cleaned with a water based cleaning solution. 3 choices are most typical: (1) Water only for water-soluble paste (2) Water + Organic for rosin and no-clean (low residues. This affords lower temperatures and is easier t
Electronics Forum | Tue Jun 12 18:48:49 EDT 2007 | mefloump
We seem to have an overwhelming amount of foam produced in the initial rinse portion of our wash (enough to cause it to overflow). We are using an Austin American Hydrojet Mach III Inline Cleaner. To my understanding the first rinse of the boards is
Electronics Forum | Tue Jul 15 08:01:37 EDT 2008 | amcross
Grayman, Respectfully, you are off base. Many US companies pay their best engineers FAR more than any managers other than their executive VPs. Exceptional tchnical skill, absent management ability, IS rewarded VERY highly here in the US. in the past
Electronics Forum | Sun Apr 29 01:31:06 EDT 2007 | basem
Hello Grant, There is nothing impolite about your post: 1) Almost all of the German made machines are 100% German. (well, Siemens uses American software and for that they did not extend to us an offer!) 2) Since the U.S., and thanks to Bush and h
Electronics Forum | Thu Jun 19 13:21:53 EDT 2003 | kmccarten
I am currently working with Toyo Living, a manufacturer of Desiccant Dry Boxes. These boxes are specifically deisned for the electronics industry offering options of N2 Purge, or ultra-low flow, Out of spec Humidity alarms, Door Alarms, Data logging
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