Electronics Forum | Mon Jun 07 15:33:08 EDT 2010 | bderks
Hi, I'm working at a very small electronics assembly firm and we need to get a better thermal profile of our reflow and solder wave ovens. Our firm is part of a larger firm that was set up to help handicapped people find work in the Netherlands. Yo
Electronics Forum | Tue Jun 29 14:55:22 EDT 2010 | rgduval
For the capacitors that Yageo analyzed... Were they taken out at representative points in the process?? ie. were samples taken from pre-assembly, pre-ICT, post-conformal coat, post-final test? You note that the parts 'seem' to be ok up to ICT. And
Electronics Forum | Fri Jul 16 17:39:33 EDT 2010 | deanm
It is a PCB design issue where the copper patterns are not balanced among the layers. Baking the boards in order to correct the warpage will not improve it. We've had a problem with one bare board in particular warping the same way from two differen
Electronics Forum | Thu Aug 12 13:03:06 EDT 2010 | dyoungquist
Schematics help you troubleshoot further but if you do not have the ability to power up the board, you are limited in how far you can go with your troubleshooting. One solution to this problem we have used is this: The customer agrees to pay for 99
Electronics Forum | Thu Aug 19 11:58:12 EDT 2010 | davef
From "Universal Instruments Packaging Specification" ... [snip] Packing Of Populated Boards · These parts require individual separation and protection to prevent electro static discharge and structural damage. They shall be packed in sealed, anti-st
Electronics Forum | Wed Nov 03 14:08:55 EDT 2010 | clampron
Good Afternoon, I would throw my vote in to Mirtec as well. I also had an opportunity quite a few years ago to compare three systems side by side. At the end of the evaluation, the Mirtec stood out over the rest. Over the past several years, I was in
Electronics Forum | Thu Jan 13 20:20:45 EST 2011 | hegemon
Not sure this would be of some help, but in the past I worked in the OEM industry in a fully No Clean process using A*M NC Solder. If customer expectations cannot be tempered, you're stuck cleaning the No Clean. To remove the NC residue, (which we
Electronics Forum | Fri Feb 11 13:02:01 EST 2011 | deanm
Thank you for all who read this with interest and especially those who replied. I have considered the points posted and here is what we came up with: We all agree that double inspection is a wasteful operation especially if the operator is more crit
Electronics Forum | Mon Mar 21 02:41:29 EDT 2011 | kemasta
Hi It's me again. Our products need to pass a chamber test 45c/36hrs after the PCBA completed batch of functional tests and assemble in to case. We found 1 unit was functioning for 24hours in the chamber, but hang after that. We tried to re-boot the
Electronics Forum | Tue Apr 05 10:36:24 EDT 2011 | frcdave
Hi Don, The YESTech B3 can be used post placement very easily. I would suggest contacting their service team, they could walk you through the process quickly. You are actually very close to being able use it now in that capacity since you have the i
