Abstract：
:This work demonstrates the dynamic through-silicon-via (TSV) filling process through staged electrodeposition experiments at different current densities. Different morphologies corresponding to TSV filling results can be obtained by controlling the applied current density. Specifically, a low current density (4 mA/cm2) induces seam defect filling, a medium current density (7 mA/cm2) induces defect-free filling, and a high current density (10 mA/cm2) induces void defect filling. Analysis of the filling coefficient indicates that the effect of current density on the TSV filling models is triggered by the coupling effect of consumption and diffusion of additives and copper ions. Further, the morphological evolution of plating reveals that the local deposition rate is affected by the geometrical characteristics of the plating.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Wang F,Zhao Z,Nie N,Wang F,Zhu Wdoi
10.1038/srep46639subject
Has Abstractpub_date
2017-04-19 00:00:00pages
46639issn
2045-2322pii
srep46639journal_volume
7pub_type
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