3-D Printing of Conformal Antennas for Diversity Wrist Worn Applications

Abstract

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3D Printing of Millimetre Wave and Low-Terahertz Frequency Selective Surfaces Using Aerosol Jet Technology

“…The FSS prototype was fabricated using Aerosol Jet printing that can fabricate designs with high precision [38], [44], [45]. A typical Aerosol Jet Printer layout can be seen in Fig.…”

“…3D printing is considered as an alternative to traditional methods and it has witnessed unprecedented growth in the past decade. Notable implementations of 3D printing are widespread and extended from fabricating mechanical components [20] to applications such as integrating electronic circuits within manufacturing [21], [22], antennas [23] - [27] and periodic electromagnetic structures [16], [28] - [38].…”

“…Tracks ranging from as low as microns to millimetres can be printed. It also allows for fabrication on curved, 3D and uneven surfaces [38] within the machine's limits. Bandstop and bandpass FSS are examined in this paper.…”

3D Printed Fingernail Antennas for 5G Applications

“…AM has been used to develop wearable antennas that operate mainly at the UHF and microwave band [32], [33]. Examples include dipole antennas on 3D printed wrist bands using a variety of techniques for depositing the metallic layers [34], a wearable RFID applications manufactured using 3D directwrite dispensing on a fabric [35] and antennas printed on textiles [36]. More recently, a 5G millimeter wave antenna has been embedded into a medallion using a 3D printing technique which combines fused deposition modelling (FDM) for the substrate and syringe dispensing for the metallic layers [37].…”

Wrist-Worn RFID Antenna Printed on Additive Manufactured Flexible Substrate

“…Examples include various microwave components [2], horn antennas [3], and dielectric lenses [4], among other. The applications range from space communications [5], 5G backhaul [4], to wireless body area networks [7], [8], for example. The latter, in particular, is an active research field which aims at deploying pervasive communication networks in the vicinity of the body [9]- [14].…”