Use this online calculator to figure out die yield using Murphy’s model. You’ll need to know the die size, wafer diameter, and defect density.

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Using Murphy's Model of Die Yield

Die Width: mm
Die Height: mm Yield: %
Scribe: mm Candidates (0 defects):
Wafer Diameter:
Edge Loss: mm Good Die per Wafer:
Defect Density : (typically 0.01-0.2) #/sq. cm