![]() The nanofilm antenna presents wide bandwidth of 47.29 % over thickfilm antenna. The radiation result shows nanofilm antenna exhibits outstanding performance over thickfilm antenna in terms of bandwidth. The thickness and uniform distribution of copper nanofilm is confirmed by scanning electron microscope. The thickfilm antenna is fabricated using common photolithography, whereas copper nanofilm is fabricated using RF-sputtering deposition system at room temperature. The simulated antennas are fabricated for both 17 µm thickfilm and 43 nm nanofilm patches on low-cost 1.6 mm height FR4 substrate. The antenna design is validated with IE3D simulation software. The proposed antenna is non-contact feeding type proximity coupled microstrip patch antenna designed for ‘X’ band applications. The copper nanofilm patch is 15 times smaller than the skin-depth of copper at 10 GHz. ![]() In this paper we present design, fabrication, and experimental characterization of microstrip antenna with copper nanofilm of 43 nm thicknesses as radiating element.
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