Design for Reliability: PCBs - DfR Solutions
Design for Reliability: PCBs - DfR Solutions
Design for Reliability: PCBs - DfR Solutions
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Post-Plating MeasurementsoHardness data indicated good separation between two populationsooo100% correlation with cross section resultsBoards with cracks had high hardnessBoards without cracks had low hardness109876543210Mean “good”Mean “bad”60 70 80 90 100 110 120 130 140 150 160 170 180 220 260 300 340 380Visual GoodHardness (Knoop)Visual Bad© 2004 - 2007 2010