Electronics Forum | Fri Sep 09 11:24:31 EDT 2005 | stepheniii
Talk to your paste supplier. The reps for a couple of pastes have been very helpfull on various problems. And I've seen pastes advertised as being good for reducing tombstoning. And they see lots of customers and therefore see lots of problems and
Electronics Forum | Fri Sep 09 15:02:29 EDT 2005 | russ
What are the Mfg specs for pad layout? I had one that was wrong and we changed the center to center spacing to .032" and the width to .015" wider (.0075" on each side)than the solder terminations and everything was fine. As a general rule I never t
Electronics Forum | Fri Sep 09 13:27:28 EDT 2005 | Denis
Hello, I'm not sure if this is the right place to post this. I am looking for a place that would do surface mounting for me. I have the PCB already made and I have the SMT chip. I have tried soldering it with a solder gun, but I think I burnt out
Electronics Forum | Fri Sep 09 15:03:46 EDT 2005 | Amol
Hi, I am running a circuit board that needs a part to be put on it after cleaning and before conformal coating. the only problem is that after cleaning and hand assembly of the part, there is a thin whitish residue in the ckt board that one can see w
Electronics Forum | Fri Sep 09 15:53:22 EDT 2005 | patrickbruneel
If the white residue is from a no-clean flux or no- clean solder flux core you can leave it on the board. (Consult with the flux or cored solder manufacturer) Because after being encapsulated with conformal coating the residue is sealed from humidity
Electronics Forum | Wed Sep 14 12:54:48 EDT 2005 | Lasse H.
We have invested in a Philips Comet mounting machine and we are astonished to find out that the Philips Comet are being programmed manually by vision-cameras or by a eksternal software which cost like 16000 $. We have taken out some of the files and
Electronics Forum | Tue Sep 20 02:39:43 EDT 2005 | Lasse H.
Hallo again Base... Thanks for your answer... I've been following up, but with no luck... I've been on http://www.assembleon.com and been trying the Cad2Cad Express but I haven't got any luck in converting the dxf, or dwg files to some useable txt f
Electronics Forum | Thu Sep 15 12:53:59 EDT 2005 | stepheniii
Talk to the sales reps for your equipment. They might be able to put you in touch with someone who can convince your customers that what you are doing had been done for over a decade now on probably millions of boards and is a proven technology. Pro
Electronics Forum | Thu Sep 15 17:39:08 EDT 2005 | stepheniii
I just wanted to add I'm not saying there is no egineering aspect to this, just that it sounds like it is more to do with your customers perceptions. Ask why they think it could be a problem. Maybe they have had previous experience with it before. I
Electronics Forum | Thu Sep 15 22:12:08 EDT 2005 | LeeHoMa
hi Steve, In fact, I am not so sure which side will have bigger chance to get problem(from my current pilot run, the defect is nearly zero). Top(componet side) or Bottom(Soldering side)? And what is the reason? Customer do not mentioned clearly wha
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