14. Yield Models - Poisson
Probability of k defects assuming an average of λ defects per die:
λ = D0A, D0 = average defect density, e.g. defects per cm2, A = die area
Yield = P(0) = e-D0A
If D0 = D1 + D2 + ..., then Yield = e-D1A e-D2A ...
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Reference: Yield Modeling and Analysis, Robert C. Leachman, 2014: source, local