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Metallurgy and Kinetics of Liquid Solid Interfacial Reaction during Lead Free Soldering

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Figure

Fig. 2Wetting balance curves for Sn–Pb eutectic and lead-free solders at235�C.
Fig. 5Relative maximum wetting balance force for virgin coupons withOSP, Sn and Ni/Au finishes (coupons size 1 inch by 0.5 inch).
Fig. 9The IMC thickness comparison for the SnAg alloy cast at 225�C(a, c, e) and 280�C (b, d, f) and held for 30 s, 3 min and 2 h.
Fig. 10IMC thickness w as function of the square root of time t for theSnAgCu solder at 225, 235, 245, and 260�C
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