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
SMT Express, Issue No. 3 - from SMTnet.com Volume 1, Issue No. 3 Wednesday, August 18, 1999 Featured Article Return to Previous Page BGA REWORK Earl Moon Proof Of Design (POD) PART INSPECTION BEFORE OPERATIONS Always inspect part
.33 means a defect rate of 60 parts per million (PPM)
Boundary Scan News • Forums • SMT Equipment • Company Directory • Calendar • Career Center • Advertising • About • FREE Company Listing! Boundary Scan Skews Test Coverage Tradeoffs in your Favor ASSET InterTech, Inc. Credit/Source: Dominic