SMTnet Express, June 11, 2015, Subscribers: 22,861, Members: Companies: 14,392 , Users: 38,338 Solder Paste Stencil Design for Optimal QFN Yield and Reliability B. Gumpert; Lockheed Martin Corporation The use of bottom terminated components (BTC
The Reliability Challenges of QFN Packaging The Reliability Challenges of QFN Packaging The quad flat pack no lead or quad flat non-leaded (QFN) is one of the fastest growing package types in the electronics industry today. While the advantages
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