Electronics Forum | Wed Dec 24 20:11:43 EST 2008 | xianhua_tang
hi,brettc! Our stencil openings no more than 4mm * 4mm, you have a larger component of the pads is more than a 4*4? At the same time, with the thickness of the stencil, I would like to increase the printing speed can be improved to reduce the thickne
Electronics Forum | Fri May 14 12:44:26 EDT 2010 | padawanlinuxero
Hi Since we are a small company with a small smt line, we did not have problems with our stencils because they are small and could clean them with Alcohol and wipes, but now we are growing, and now I am having a 20X20 stencils frames to deal with,
Electronics Forum | Mon May 30 06:36:16 EDT 2011 | mbnetto
This is a requested point from some customers. It's part of the audit check points. But I agree it´s important for the process. You can garantee the stencil is in a good condition after many time using it. If your stencil looses the tension, you can
Electronics Forum | Tue Feb 12 12:29:33 EST 2013 | emeto
Hello everyone, I am curious what do you think about stencil type and apperture design for better release on small appertures. I have a PCB with bunch of BGAs with small appertures. We tried with Nikel stencil using DEK's special non stick material
Electronics Forum | Wed Aug 16 12:49:30 EDT 2000 | Bill Schreiber
Phil, I know it must be frustrating to try and weed through all of the hype that is put out by various stencil cleaner manufacturers. However, there is some impartial published data available. An article by Richard Clouthier (now with Photo Stenc
Electronics Forum | Wed Jun 01 16:22:25 EDT 2011 | jorge_quijano
0805
Electronics Forum | Fri Feb 15 12:51:30 EST 2013 | emeto
Hi MikeS, I didn't post all the information, because I didn't want to mislead you. I wanted to see your way. We tried 3mil and 4 mil stencil using type 4 paste. It was hard to get the right aspect ratio and that;s why we did it on Nickel stencil - a
Electronics Forum | Mon May 15 19:59:45 EDT 2000 | Dave F
Doug: If the metal content of your NC paste is about 50% (by weight) there is no difference netween stencils for NC and other flux type pastes. And those are in the SMTnet archives. Good luck and happy searching Dave F
Electronics Forum | Tue Jan 23 11:04:42 EST 2007 | slthomas
We had that problem when our stencil supplier changed epoxies to a more environmentally friendly chemistry. Reducing the temp. in the cleaner solved the problem.
Electronics Forum | Sat Apr 12 04:07:21 EDT 2008 | sessioc
Good Point. Also, what about the type of solder paste your using - Are you getting a good release from the stencil? What do your boards look like after you print?
