Printed Circuit Board Assembly & PCB Design Forum
SMT electronics assembly manufacturing forum.
Hi, all. There is one 0.8mmX0.8mm QFN on almost of our PWBA... - Jun 23, 2005 by Jason Wong
Jason: We'd like to help, but we don't know how to diagnose... - Jun 23, 2005 by davef
Hi, Davef. Thanks for your help. Most of the defective PWB... - Jun 23, 2005 by Jason Wong
Problem 1: Solder shortage * Stencil aperatures [except the... - Jun 24, 2005 by davef
What problems are the quality people seeing? I hope they ar... - Jun 27, 2005 by
Most QFN's have a exposed die pad on the bottom for ground c... - Jun 29, 2005 by
What I have seen too is that these parts normally come in a... - Jul 06, 2005 by
Jason, If you have any pictures of this phenomena that migh... - Jul 06, 2005 by
Bob, We have seen this same issue and haven't found a sol... - Jul 06, 2005 by
The only way we can consistently get a toe fillet is to use ... - Jul 06, 2005 by
"Whether or not you need a toe fillet depends on your applic... - Jul 08, 2005 by
Our production is putting QFN40 and QFN56 package on board. ... - Jul 15, 2005 by