Electronics Forum | Thu Nov 03 10:49:11 EST 2005 | russ
This is what I would propose, Place and reflow the board without the BGA with your lead process, remove the solder from the BGA pads if you cannot mask off the apertures in your stencil. Then place the BGA and reflow to SAC requirements with a rewo
Electronics Forum | Fri Nov 04 08:10:04 EST 2005 | Amol
Hi all, If i know my field conditions and the required lifespan of the final product, how can i decide what thermal cycle to use for ATC to qualify the product?? I have the JEDEC standards for min-max temps and dwells, but how do i translate them int
Electronics Forum | Sat Nov 05 07:33:14 EST 2005 | milroyperera
Hi, I see that the wave angle of the wave solder machine takes a major part on soldering SMDs if they are assemlbed with glue. To avoid the shadowing effect and bridging what would be the best angel of the wave for Sn/Pb & Pb-free soldering processs
Electronics Forum | Thu Nov 10 16:15:52 EST 2005 | 1st Article
Sumote, I suggest DESCO ESD safe het gloves, these gloves have a polyester exterior fabric with woven conductive fibers to ensure static protection. Inner lining constructed of material for use in heat assembly processes, can with stand 200�F maximum
Electronics Forum | Thu Nov 10 16:19:42 EST 2005 | 1st Article
Dear Sumote, I would suggest DESCO ESD safe heat gloves, we are using them at our facility, these gloves have a polyester exterior fabric with conductive fibers to ensure static protection. Inner lining constructed of material for use in heat of 200�
Electronics Forum | Fri Nov 11 18:06:15 EST 2005 | pyramus
Thanks for the reply everybody!!! It is a compact RF device it is currently being designed our R&D is asking some suggestions what kind of shielding would be best for it. It is quite compact that we will be using 0201 chips on it. Anybody have exper
Electronics Forum | Mon Nov 14 08:19:19 EST 2005 | cguerrero
Has anyone had issues with their glue stations. After our software upgrades it seems to not be working properly. We have had it slam into the pot, not go into the pot, slam the arm, etc.. Default glue dots used to work now I have to set all their bi
Electronics Forum | Mon Nov 14 12:11:20 EST 2005 | binhanhaokiet
We just bought a used TP9-2U, I could not do a W-wagon camera calibrate. It keep saying "Calibrate failed, can't located all point", I do not know what should I do next. I did refocus the camera but it still does not help. Please help
Electronics Forum | Thu Nov 17 09:52:41 EST 2005 | james
I agree with the one that says Fire them, but I do not have the authority to do so, but I know someone who does. I think our problem is that it is hard to find someone with SMT experience so we are stuck with what we have. Now if I was boss, trust
Electronics Forum | Thu Nov 17 08:57:39 EST 2005 | russ
No clean and foam fluxing is not a very good process from my experience. I know that the flux manufacturers claim that they are suitable but I am not sure what "suitable" means. I would bet that you have very inconsistant flux coverage. How often
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