Dipole Antennas 3D-printed from Conductive Thermoplastic Filament

Khan, Zahangir; He, Han; Chen, Xiaochen; Virkki, Johanna

doi:10.1109/estc48849.2020.9229736

Cited by 7 publications

(1 citation statement)

References 10 publications

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“…A prototype of a 3D metal printed polarization reconfigurable horn antenna is presented in [ 28 ] for K/Ka band, using titanium material, revealing a reasonable agreement between simulations and measurements. A low-profile all-metal antenna design with resonant cavity is described in [ 29 ] to operate in the frequency range of 130–150 GHz.…”

Section: Introductionmentioning

confidence: 85%

The Use of 3D Printing Technology for Manufacturing Metal Antennas in the 5G/IoT Context

Helena

Ramos

Varum

et al. 2021

Sensors

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With the rise of 5G, Internet of Things (IoT), and networks operating in the mmWave frequencies, a huge growth of connected sensors will be a reality, and high gain antennas will be desired to compensate for the propagation issues, and with low cost, characteristics inherent to metallic radiating structures. 3D printing technology is a possible solution in this way, as it can print an object with high precision at a reduced cost. This paper presents different methods to fabricate typical metal antennas using 3D printing technology. These techniques were applied as an example to pyramidal horn antennas designed for a central frequency of 28 GHz. Two techniques were used to metallize a structure that was printed with polylactic acid (PLA), one with copper tape and other with a conductive spray-paint. A third method consists of printing an antenna completely using a conductive filament. All prototypes combine good results with low production cost. The antenna printed with the conductive filament achieved a better gain than the other structures and showed a larger bandwidth. The analysis recognizes the vast potential of these 3D-printed structures for IoT applications, as an alternative to producing conventional commercial antennas.

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Section: Introductionmentioning

confidence: 85%

The Use of 3D Printing Technology for Manufacturing Metal Antennas in the 5G/IoT Context

Helena

Ramos

Varum

et al. 2021

Sensors

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Three-dimensional, soft magnetic-cored solenoids via multi-material extrusion

Cañada,

Kim,

Velásquez-García

2024

Virtual and Physical Prototyping

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Additively Manufactured Compact UHF RFID Tag Employing Slow-Wave Structures

Lopez

Akhter

Shamim

2022

2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI)

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Smart connected things that can sense, interact, and share data have a huge potential in enabling a smart environment. Due to the rising interest in realizing the internet of things to provide smart services in smart cities, there is a requirement of vast deployment; therefore, things/tags need to be low in cost and compact in size. Radio Frequency Identification (RFID) is one of the technologies that can enable sensing and wireless communication between things. In this paper, additive manufacturing is used to minimize the cost of RFID tags while slow-wave structures (SWS) are explored to make them compact. The largest element of RFID tags i.e. antenna is initially taken as a standard half-wave dipole then folded to employ SWS along the parallel conductors. The process of folding and SWS loading have been carefully performed to ensure decent radiation efficiency and read range. To fabricate the proposed RFID tag, silver nanowires-based conductive ink is employed while the substrate is 3D printed. The overall tag size is 54 x 56 x 0.5 mm 3 (ka=0.71), and it has a read range of 6.4 m at 867 MHz.

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Dipole Antennas 3D-printed from Conductive Thermoplastic Filament

Cited by 7 publications

References 10 publications

The Use of 3D Printing Technology for Manufacturing Metal Antennas in the 5G/IoT Context

The Use of 3D Printing Technology for Manufacturing Metal Antennas in the 5G/IoT Context

Three-dimensional, soft magnetic-cored solenoids via multi-material extrusion

Additively Manufactured Compact UHF RFID Tag Employing Slow-Wave Structures

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