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Figure 4
Statistics for the consistency of TSV etching. (a) Measured parameters in a cross section. (b, d, f) Histograms of diameter, bottom curvature radius and depth of vias. (c, e, g) Distribution maps of parameters measured from 196 vias. |
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Figure 4
Statistics for the consistency of TSV etching. (a) Measured parameters in a cross section. (b, d, f) Histograms of diameter, bottom curvature radius and depth of vias. (c, e, g) Distribution maps of parameters measured from 196 vias. |