Electronics Forum | Mon Jun 14 14:09:23 EDT 2010 | jmedernach
Chris, There are a lot of potential causes for voids. I'll list a few below: a.) cleanliness (or lack there of) b.) Via in pad where said vias are not filled c.) reflow profile design d.) incompatible materials My knee jerk reaction would be to che
Electronics Forum | Fri Aug 20 19:01:26 EDT 2010 | varivenca
VARIVEN,C.A, is a newly emerging company in the electronics field. Variven was established in 2009 to take care of design, repair and maintainance of pcb cards and electronic machinery for oil companies. As of now we are creating basic boards for o
Electronics Forum | Fri Oct 29 11:59:35 EDT 2010 | rway
We currently have two YTV-M1 inline-systems from YesTech. I have been using them for around 3 years now. They are descent machines. If you decide to go with YesTech, go for the F1 system. This will give you the ability to upgrade with side camera
Electronics Forum | Wed Dec 22 07:20:21 EST 2010 | piter
HI I used both of solder leveling HASL and ENIG, HASL I can recommended for biger pitch is cheaper solder leveling than ENIG but problem with that solder leveling is during the reflow process HASL isn't flat and during reflow process component move
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 | Tue Feb 08 14:56:09 EST 2011 | rkr76
Hello everyone, I have a question regarding wavesoldering and measuring if a proces/machine is in control. I made a custom carrier for measuring contact time, parallelism, solder temperature, coveyorspeed and some data of the preheat section. The s
Electronics Forum | Wed Aug 31 08:27:45 EDT 2011 | rway
AOI if needed? I take it your AOI/AXI is not inline. Too bad. Our AOI is the first line of defense against induced errors in the mfg process. It's invaluable. How do you know it's not needed, or that it won't be needed in the future? Do you hav
Electronics Forum | Tue Oct 04 17:38:55 EDT 2011 | frcdave
I would like to throw my $0.02 in here as well. $15,000 to register a used system seems like a lot of money, I agree, but on the other hand, why would one expect that service and support should be free or even at a discounted price. Like the other p
Electronics Forum | Thu Nov 10 10:45:32 EST 2011 | aqueous
The use of IPA in automated defluxing systems is nearly extinct for the following reasons: 1. IPA is flammable. In a spray-in-air environment, the already low flashpoint is even lower. 2. IPA is not a great solvent. There are specific containme
Electronics Forum | Fri Nov 25 15:52:40 EST 2011 | davef
"IPC-2221 - Generic Standard On Printed Board Design" talks to fiducials. Anther take on fiducials says they shall meet the following requirements. * Make fiducials 1 - 1.5 mm diameter circle. * Cover fiducials with tin. * Keep solder mask opening at
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