Electronics Forum | Wed Oct 25 10:11:09 EDT 2000 | Wolfgang Busko
Paddesign, aperture size and stencil thickness determine the amount of solder for your joint. Once you have found suitable parameters you need to control the volume of your paste deposit which is influenced by printer settings, paste condition, stenc
Electronics Forum | Thu Sep 09 14:41:28 EDT 2004 | Martin
Shark here, reporting for duty.... www.kohyoung.com High speed, 3d 100% paste inspection.
Electronics Forum | Wed Feb 11 00:34:42 EST 2015 | comatose
There isn't going to be much worthwhile used equipment out there if you mean true jetting - it is a pretty recent process. There are lots of used stencil printers out there, so from an up-front cost perspective, stencil wins. Jetting is slow. A hig
Electronics Forum | Wed Sep 08 16:21:41 EDT 2004 | rohman23
I'm in a similar situation. We have a pre-historic semi-automatic printer that does a decent job, but would like to get an automatic printer. I've only just begun looking into the different options available, but would like one that could inspect t
Electronics Forum | Thu May 26 16:41:00 EDT 2011 | scottp
Here's what I do: - Test Surface Insulation Resistance (we're in the high reliability market and use a test significantly harder than IPC's). I also test SIR in combination with other assembly materials like conformal coatings and wave solder flux
Electronics Forum | Wed Jun 06 15:23:36 EDT 2001 | blnorman
We do it because we have had problems in the past. We accept the viscosity certs sent from the vendor, but we run a check on a sample sent in. We have had problems in the past with material sent from the factory sitting on a loading dock or somewhe
Electronics Forum | Tue Sep 07 06:32:32 EDT 2004 | C Lampron
Dhanashekar, Yes this is an important proces control tool. This will show if you printer setup is correct however, I put more importance on coverage. If your paste height is 1 mil shorter than it should be, you may need to look at your printer setup
Electronics Forum | Tue Dec 30 20:23:34 EST 2014 | jeff701
What does "maintain it really good" entail? For reference, this is our maintenance procedure for the FX-D: - At the end of an 8hr shift, the solder paste path is purged start-to-finish using Nordson's ValvePurge. The machine's then powered down and
Electronics Forum | Wed May 24 15:28:09 EDT 2000 | John Thorup
Hello Travis I'm going to have to disagree with your evaluation of intrusive reflow. It's not just for low end and,if done correctly, you will not have lots of half soldered leads and touch up will be minimal if at all. I'm sure that others will ag
Electronics Forum | Mon May 07 10:42:09 EDT 2012 | saju86ece
Hi, I need one clarification about solder paste printing height tolerance. How to define and fix the solder paste height tolerance after screen printing for inspection purpose. Currently we are using 5mils thickness of stencil, in that we are gave
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