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Metallic 3-D Printed Antennas for Millimeter- and Submillimeter Wave Applications

Bing Zhang (Institutionen för mikroteknologi och nanovetenskap, Mikrovågselektronik) ; Zhaoyao Zhan (Institutionen för mikroteknologi och nanovetenskap, Kvantkomponentfysik) ; Y. Cao ; H. K. Gulan ; Peter Linnér (Institutionen för mikroteknologi och nanovetenskap, Mikrovågselektronik) ; Jie Sun (Institutionen för mikroteknologi och nanovetenskap, Kvantkomponentfysik) ; T. Zwick ; Herbert Zirath (Institutionen för mikroteknologi och nanovetenskap, Mikrovågselektronik)
IEEE Transactions on Terahertz Science and Technology (2156-342X). Vol. 6 (2016), 4, p. 592-600.
[Artikel, refereegranskad vetenskaplig]

This paper presents a study to use the metallic three dimensional (3-D) printing technology for antenna implementations up to 325 GHz. Two different printing technologies and materials are used, namely binder jetting/sintering on 316L stainless steel and selective laser melting (SLM) on Cu-15Sn. Phases, microstructure, and surface roughness are investigated on different materials. Balancing between the cost and performance, the manually polished Cu-15Sn is selected to develop a series of conical horn antennas at the E-(60-90 GHz), D-(110-170 GHz), and H-band (220-325 GHz). Good agreement is observed between the simulated and measured antenna performance. The antennas' impedance bandwidth (vertical bar S-11 vertical bar < -20 dB) cover the whole operational band, with in-band gain of > 22.5, > 22, and > 21.5 dBi for the E-, D-, and H-band antennas, respectively. Compared with the traditional injection molding and micromachining for metallic horn antenna implementation, the 3-D printed metallic horn antenna features environmental friendliness, low cost, and short turn-around time. Compared with the nonmetallic 3-D printed antennas, they feature process simplicity and mechanical robustness. It proves great potential of the metallic 3-D printing technology for both industrial mass production and prototyping.

Nyckelord: Antenna, binder jetting, H-band, selective laser melting, surface roughness, three dimensional printing, integration

Denna post skapades 2016-11-11. Senast ändrad 2017-08-15.
CPL Pubid: 245049


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