SMTnet Express, October 17, 2013, Subscribers: 26325, Members: Companies: 13458, Users: 35281 Corrosion Resistance of Pb-Free and Novel Nano-Composite Solders in Electronic Packaging by L.C. Tsao; National Pingtung University of Science
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
crack of solder joint as it'll pass the regular tes
