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. 2019 Jul 19;19(14):3189. doi: 10.3390/s19143189

Figure 1.

Figure 1

The proposed dumbbell defect ground structure (DGS)-based sensor. (a) Topology of the microwave part; (b) lateral and top views of the mechanical and fluidic parts; (c) complete three-dimensional view. Relevant dimensions are (in mm): w1 = w2 = 2, wTL = 1.14, lLT = 50, ld = 28, gd = 0.2, and Sd = 44. Channel dimensions are (in mm): hch = 1.5, lch = 26, wch = 4.6, lf = 46, wf = 12.6, h1 = 3, and h2 = 9. The considered substrate is Rogers RO3010 with a dielectric constant εr = 10.2, thickness h = 1.27 mm, and loss tangent tanδ = 0.0035. In (a), the ground plane is depicted in light grey.