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Clipped view of the 36 different SEP configurations. The reference model comprises five SEPs, 1.5 mm long and 0.6 mm wide. P2X, P3X, and P4X correspond to the models with two, three, and four SEPs, respectively. LX and WX correspond to different SEP lengths (0.5, 1, 2, 2.5, and 5 mm) and widths (0.3, 0.45, 0.75, 0.9, and 1.2 mm), respectively. To see this figure in color, go online.
