Electronics Forum | Wed Mar 27 12:37:12 EST 2002 | jax
Barry, If you are looking to set up a documented process with set parameters you might think about performing a DOE based on the parameters you can control or change. With any measurement device you should be able to log the info gathered so you ca
Electronics Forum | Wed May 22 12:39:00 EDT 2002 | pwrgroup
and the two ratio is changed if you use different thickness sheet or step-down or step-up.I think real time calculator of the two ratio is very important for tranfer efficience.
Electronics Forum | Wed May 22 13:40:24 EDT 2002 | Hussman69
Boy, I step out for a bit and everybody picks on me (just joking). I believe I may have been off base a bit. Checking every bit of your stencil design is very good - I do that too. I calculate LXWXH and reduce or over print where needed, depending
Electronics Forum | Wed Jun 19 16:26:45 EDT 2002 | pjc
The Seika SAWA is the thingy you're looking for. Go to http://www.seikausa.com/sawa/index.html
Electronics Forum | Thu Jun 20 22:37:16 EDT 2002 | davef
You're correct. It's a GREAT deal, especially when you match it up against those rip-off machines that cost $25k++. Maybe products like this will get those very nice suppliers' attention and force them to price products reasonably.
Electronics Forum | Wed Oct 02 15:08:37 EDT 2002 | Eric
See Fiske first line. I'd bet You are bending or catching the assembly in the ICT. How many probes at 8OZ each? do you use on that ICT? 800 probes = 400lbs. See "Flexure induced failure of BGA solder joints" by Compaq Houston TX
Electronics Forum | Mon Dec 09 10:40:31 EST 2002 | MA/NY DDave
Hi I can image too many images for what your product or your process looks like. Think about hiring a consultant to come in and really look at things. YiE, MA/NY DDave
Electronics Forum | Wed Feb 05 10:23:26 EST 2003 | russ
Are these the only packages that you could come up with Dave? What about all the rest? You're something else. Thanks for doing my work for me! Russ
Electronics Forum | Wed Feb 05 21:24:35 EST 2003 | davef
Stephen's correct. Radiased outer corners on 0402 pads really do seem to improve things. We aim to try "squared-up semicircles".
Electronics Forum | Thu Sep 25 13:53:56 EDT 2003 | russ
There isn't any difference in the printing process regarding leadfree vs. lead. The only differences are in the reflow process. Russ