Electronics Forum: 20small (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

QFN Thermal pad voiding

Electronics Forum | Sat May 30 01:31:49 EDT 2009 | mika

make 4 square rounded corner apertures on the ground pad and the total reduction of 20 % (80 % solder paste). Then you still be able to solder the terminals around. Don't worry to much of the void's. Just following my tips and you will be fine. The


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