Electronics Forum: 20to (Page 1 of 1)

Temperature Profiling

Electronics Forum | Fri Dec 11 09:46:39 EST 2009 | kjs123p

Here is a link that has a video of the different methods for attaching them and which is most reliable. http://www.screencast.com/users/beoleary/folders/7%20Ways%20to%20Profile%20for%20Profitability

0402 Cap tombstoning strange behaviour

Electronics Forum | Sun Oct 31 11:07:09 EDT 2010 | Mark

http://www.shanelo.co.za/Article%20to%20assist%20with%20Stencil%20Design%20Guidelines.htm Stencil design

SMT Process Training

Electronics Forum | Wed Feb 19 21:20:17 EST 2003 | davef

Consider: * http://www.ecd.com/Seminars/bobwillis.asp * http://www.assemblyonline.com/ Intro%20to%20Surface%20Mount%20Technology%20T&CF.doc * http://www.smta.org/ * http://www.rayprasad.com/training.html * http://www.omnitraining.com * http://ww

Reliability of U-shape appetures

Electronics Forum | Wed Jul 03 20:21:26 EDT 2002 | alex_kirichenko

Thanks for responding..... The question I was trying to ask is if U appetures are mechanicaly strong, if the tab in the middle won't stik up and damage squeegee blades? I never had stencil with such appeturs. We are just about to start some trials

IPC A-610 Moving from Rev E to Rev F

Electronics Forum | Tue Jul 18 09:05:54 EDT 2017 | davef

Acceptability of Electronic Assemblies IPC-A-610 F Comparison E to F versions * http://www.electronicsyorkshire.org.uk/UserFiles/PDFs/610E%20to%20F%20Redline%20comparison.pdf * https://www.youtube.com/watch?v=kD5NpsocTpw * http://www.scanditron.c

Component size on double-sided PCB

Electronics Forum | Mon Jun 07 17:58:12 EDT 2004 | Rob

UPDATE: Just for fun... I sacrificed a scrapped board to determine what remained and what fell and this is the result. Board dimension was 18"x9" and .9" thick. Components consist of hundreds of passives plus 386 proc (QFP256), TSOPs, SOLs 14/16/20,

Midchip solderballs (MCSB) on pb-free

Electronics Forum | Fri Sep 22 13:15:19 EDT 2006 | jaimebc

We are currently experiencing some MCSB's on 0603 components. I am looking into experimenting with the stencil thickness from 6 mil to 5 mil and also using Radiused inverted homeplate ( 20%60%20)to eliminate or reduced this problem. We are using lea

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