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. Author manuscript; available in PMC: 2020 Jul 7.
Published in final edited form as: IEEE Trans Reliab. 2018 Aug 7;68(1):248–266. doi: 10.1109/tr.2018.2835140

TABLE VIII.

Maximum Strains for Variable Wrap Thickness

Wrap Thickness Sweep
Wrap Thickness [in] Barrel Strain Wrap Strain Wrap Edge Strain
0.0006 0.017 0.019 0.012
0.0004 0.017 0.021 0.012
0.0002 0.017 0.019 0.012
0 0.017 0.017* 0.012
*

Given no wrap, this is the strain value at the via barrel to cap plating interlace as depicted in Figure 25.