Voiding Control for QFN Assembly Voiding Control for QFN Assembly Quad Flat No Leads (QFN) package designs receive more and more attention in electronic industry nowadays. This package offers a number of benefits including (1) small size
smeared solder paste pattern. A typical pad size for
Leaded and Lead-Free Solder Paste Evaluation Screening Procedure Leaded and Lead-Free Solder Paste Evaluation Screening Procedure Numerous studies have shown that greater than 60% of end of line defects in SMT assembly can be traced to solder
