A weibull plot of drop test failures before 100 °C thermal aging
A Weibull plot of drop test failures after 100 °C thermal aging
(100 h).
Intermetallic compound
(a) top view of IMC after one solder reflow; (b) cross section of IMC after
one solder reflow;
(c) top view of IMC after four solder reflows; (d) cross section of IMC
after four solder reflows