Boundary Layers Defect Diagnosis and Analysis of Through Silicon Via(TSV)
Yuan Chenab, Peng Zhangc, Kuiliang Xiad, and Hongzhong Huanga*()

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Figure 15.. Void formation process: (a) uneven seed layer; (b) the seed layer partially dissolved in plating solution; (c) the void appeared at the thinnest location of the copper seed layer