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Embroidery and stitching based flexible antennas. (a) Novel mixed embroidered-woven textile integrated waveguide (TIW) antenna: top and bottom views [128], (b) embroidery metamaterial antenna manufacturing process with stitch pattern embroidery layout and embroidered antennas [129], and (c) fabricated e-textile based on a slotted patch antenna created with a sewing machine and copper tape [127].
