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Interfacial Reaction and Mechanical Characterization of Eutectic Sn Zn/ENIG Solder Joints during Reflow and Aging

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Academic year: 2020

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Figure

Fig. 1SEM images of the Sn–9Zn/ENIG interfaces reflowed at 503 K for various reaction times; (a) 1 s, (b) 1 min, (c) 5 min, (d) 10 min,(e) 60 min and (f) 120 min.
Fig. 3TEM image of the Sn–9Zn/ENIG interface reflowed at 503 K
Fig. 6SEM micrographs of the Sn–9Zn/ENIG interfaces aged at 423 K for various times; (a) as-reflowed, (b) 24 h, (c) 100 h, (d) 250 h,(e) 500 h and (f) 1000 h.
Fig. 7SEM micrographs of the Sn–9Zn/ENIG interfaces aged for 1000 h at various temperatures; (a) 343 K, (b) 373 K, (c) 393 K and(d) 423 K
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