Figure 5.
(a,b) Cross-sectional SEM images of a TSV before (a) and after (b) being filled with 30 wt% silver nanowires ECAs. (c) and (d) show the magnified images of top and bottom of the filled TSV marked with boxes in (b), respectively. (e) I-V measurement curves of a fully filled TSV with 30 wt% silver nanowires ECAs (red) and deposited Ti/Au pad (black).