Fig. 3


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S-parameters for SSPP TLs with different line widths w1 and w2 for different layers. Case A (w1 = 1.64 mm, w2 = 0.76 mm), Case B (w1 = 1.64 mm, w2 = 1.20 mm), Case C (w1 = 1.64 mm, w2 = 1.64 mm), Case D (w1 = 1.20 mm, w2 = 0.76 mm). (The depths of the SSPP units proportionally change with the line widths).

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