Different Diffusion Behavior of Cu and Ni Undergoing Liquid-solid Electromigration
M.L. Huang1, Z.J. Zhang1, H.T. Ma1, L.D. Chen2
Fig. 5 SEM images of CuSnNi interconnects after EM electrons flowing from Cu to Ni for various time: a and b 10 min; c and d 1 h; e and f 2 h; g and h 4 h.