Electronics Forum | Sat Sep 21 23:38:06 EDT 2002 | ivanchu
I got one problem from my production line recently. One 0.5mm pitch QFP IC have been used on my PCBA. Actually, the defect was happened in randomly. Sometime, we got the fillet completely but sometime is not. The solder joint look like is good, but t
Electronics Forum | Tue Feb 22 12:42:53 EST 2005 | griinder
I was curious if anyone else has ever added water soluble flux to water soluble solder paste that is only a few days old, but is too dry to use in production. Also, are there any known bad side effects to this process. I have already searched the arc
Electronics Forum | Tue Apr 20 13:22:28 EDT 2004 | Kary Voegele
Transistion Automation makes a great squeegee blade. I have found that it is superior to the standard steel/titanium blades generally used in production. It is made from gun barrel blue steel. It is more expensive than standrd squeegee blades, but i
Electronics Forum | Thu Apr 26 11:21:26 EDT 2007 | slthomas
Question...when the machine said something was wrong, was it reading something wrong (false failure), or was there a true descrepancy but not one that resulted in a bad connection (bridge or insufficient)? Also, did you perform a DOE on the process
Electronics Forum | Wed Aug 27 12:57:25 EDT 2008 | adamcrum
I have had this problem with my Vitronics wave and looked into alternatives. Kyzen has a product called Cybersolv 8502 that is made specifically for finger cleaning. I found it to work great. They will send a free sample to you of a pint, but I would
Electronics Forum | Thu Nov 05 00:11:11 EST 2009 | shinseimy
Hi, You might be can consider try our brand AOI checker. We are the manufacturer the AOI which located at Malaysia. The programming is very easy to use, and effective on the speed. Furthermore, 2D barcode reader, NG marking included. If you are inte
Electronics Forum | Tue Jul 18 16:14:45 EDT 2023 | daniel_stanphill
I remember having seen an ad on LinkedIn or somewhere that showed a handheld pen capable of manual deposits even on 0402 and 0.4mm fine pitch pads. I have been trying to search for it today and am seeing some comparable products but nothing that look
Electronics Forum | Thu Jul 27 13:59:04 EDT 2000 | Chrys Shea
Sounds like the problem is design realted - here's a cheesy trick if your product/process permits: (you know how I love my cheesey tricks!) Put an adhesive dot between the pins that are bridging. If you're gluing bottomside SMT components to the bo
Electronics Forum | Wed Jan 14 00:02:10 EST 1998 | jerry
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 this pro
Electronics Forum | Tue Jan 13 23:55:35 EST 1998 | jerry
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 this pro
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