3 tombstoneing%20 results

Electronics Forum: tombstoneing%20 (Page 1 of 1)

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

0201 pad layout

Electronics Forum | Fri Jan 06 13:47:15 EST 2012 | davef

Your starting [and finishing] point should be IPC-7351B Land Pattern Calculator and Tools - http://landpatterns.ipc.org/default.asp For more, look here: * http://www.smtnet.com/bob-willis/pbdai.html * http://www.onboard-technology.com/pdf_novembre

0201 and Lead Free

Electronics Forum | Tue Dec 13 17:41:04 EST 2011 | davef

A Study Of 0201’s And Tombstoning In Lead-Free Systems, Phase II Comparison Of Final Finishes And Solder Paste Formulations http://sheaengineering.com/Documents/APEX%2008%200201s%20and%20Tombstoning%20phase%202%20paper.pdf CONCLUSION The condition


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