Abstract
In this paper, a comparative analysis of extrusion technique-based 3D printed substrates with various infill densities has been presented. For this work, multiple substrates with varying infill densities for rectilinear infill pattern have been 3D printed using Acrylonitrile Butadiene Styrene (ABS) material. These substrates have been then used to develop microstrip rectangular patch antenna for 2.45 GHz ISM band applications. The standard ring resonator method has been employed for RF characterization of the 3D printed substrates. It has been found that the infill density has effect on the RF properties of the substrate which in turn influence the antenna performance and radiation characteristics.
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