Lead-Free Solder Wafer Bumping Lead-Free Solder Wafer Bumping Over the past 30 years we have learned that lead has negative affects on the health of humans and seen strong legislation remove it from gasoline and paints. More recently, governments
SMTnet Express August 15, 2013, Subscribers: 26214, Members: Companies: 13451, Users: 35059 A Printed Circuit Board Inspection System With Defect Classification Capability by I. Ibrahim, S. Bakar, M. Mokji, J. Mukred, Z. Yusof, Z. Ibrahim, K
Defect Free QFN Assembly Defect Free QFN Assembly The problem with soldering QFN packages is that they float, skew and tilt on the 'domed' melted solder during the SMT re-flow process. This floating, skewing and/or tilting will lead to solder
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