Electronics Forum | Wed Aug 13 00:09:27 EDT 2008 | diesel_1t
Hi there. We have had troubles with pogo contamination on ICT fixtures causing false failures (Pictures attached). Currently we're spending about 10k on pogo replacement but still having problems. I recomended to clean pogos with a defluxer but Test
Electronics Forum | Thu Aug 14 16:18:08 EDT 2008 | mbnetto
Hello I'm mounting a notebook board with the memory conector manufactured by CONCRAFT. We are facing some soldability problems with this conector because some ground leads don't solder on the pads. I tried 4 different brand of solder paste, tried to
Electronics Forum | Thu Sep 04 13:09:27 EDT 2008 | realchunks
This is fine from a quality engineers point of veiw, but as you said the vendor never admits to nothing. So the company that has the problem has to resolve the problem for themselves. Generally this turns into a finger being pointed at the process
Electronics Forum | Wed Sep 10 17:12:55 EDT 2008 | gregoryyork
I dont know about analysis on boards it is OK as long as the people carrying it out know how to interogate the answers.I worked on a problem just last week where an analysis house in China tested the resist then the pads and found on both surfaces C
Electronics Forum | Wed Aug 27 14:58:21 EDT 2008 | omid_juve
we have problem in setting the density of a no clean flux for using before wave soldering . first we dilute the flux but we have many short circuit problem between the pads of edge connector,then we densify the flux all the short circuit is removed b
Electronics Forum | Thu Aug 28 11:31:17 EDT 2008 | patrickbruneel
Matt solder mask finishes gives the widest process window in view of potential amount of residues when using No-Clean. Shiny (glass like) finishes are more sensitive to residues due to lower surface area compared to matt finish. If the shiny finish i
Electronics Forum | Thu Sep 11 11:12:52 EDT 2008 | aj
Hi, I had similar problem a while back. Diagnosis was a combination of two things: 1 - Gold thickness was below spec. which gave us solderability problems. There should be other areas of the board that show signs of this. 2 - The devise in queast
Electronics Forum | Thu Oct 02 05:07:59 EDT 2008 | arebom
If you have coplanarity issues on components that have not been assembled yet, check out an equipment that will help you resolve the lead coplanarity problem before you load them in your assembly equipment; I know that Fancort sells an equipment for
Electronics Forum | Fri Oct 03 16:51:06 EDT 2008 | waveroom
If this is a one time rework might I suggest farming it out? 100pin QFP can be taken off no problemo.. Putting it back down properly and then hand soldering??? I wouldn't want that job. You need excellent placement and imaging and your not going to
Electronics Forum | Sat Oct 04 17:06:08 EDT 2008 | alien
It all depends on the quantity and the type of product / quality requirements. Manual placement for 20 mil pitch is not _that_ hard. Another advantage of hand soldering is that you don't have to worry about the moisture level of the replacement par
