Design and fabrication of antennas using 3D printing

被引：0

作者：

Bjorgaard J. ^{[1
]}

Hoyack M. ^{[2
]}

Huber E. ^{[3
]}

Mirzaee M. ^{[4
]}

Chang Y.-H. ^{[5
]}

Noghanian S. ^{[4
]}

机构：

[1] Department of Electrical Engineering, University of North Dakota

[2] Department of Technology, Illinois State University

来源：

Progress In Electromagnetics Research C | 2018年 / 84卷

关键词：

Electric impedance - Conductive materials - Microwave antennas - Directive antennas - Fabrication - Natural frequencies - Antenna arrays - Dielectric materials - 3D printers - Spiral antennas;

D O I：

10.2528/pierc18011013

中图分类号：

学科分类号：

摘要：

Due to a recent growth in three-dimension (3D) printing technology, engineers can fabricate affordable and versatile antennas; however, lossy conductive materials, inadequate antenna terminations, and simplistic designs which do not adequately utilize the available volume continue to limit the capabilities of 3D printed antennas. In this work, the dielectric constants of three polylactic acid (PLA) materials, dielectric PLA, magnetic PLA and conductive PLA, were measured using the coaxial transmission line method, and the results were compared with measurements using the commercially available coaxial probe method. Based on published dielectric constants for solid non-printed PLA, a variety of antenna designs were simulated and fabricated. Each of these antenna designs addressed a certain shortcoming faced by 3D printed antennas. The antennas were designed with a target resonant frequency of 2.45 GHz, an impedance bandwidth of at least 500 MHz, and a gain greater than 1.5 dBi. The three antennas presented here are a fractal bow-tie antenna (FBTA), a spiral antenna, and a Yagi-Uda antenna. © 2018, Electromagnetics Academy. All rights reserved.

引用

页码：119 / 134

页数：15

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