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Metallic 3-D Printed Rectangular Waveguides for Millimeter-Wave Applications

Bing Zhang (Institutionen för mikroteknologi och nanovetenskap, Mikrovågselektronik) ; Herbert Zirath (Institutionen för mikroteknologi och nanovetenskap, Mikrovågselektronik)
IEEE Transactions on Components, Packaging, and Manufacturing Technology (2156-3950). Vol. 6 (2016), 5, p. 796-804.
[Artikel, refereegranskad vetenskaplig]

This paper explores the potential of metallic 3-D printing technology for millimeter-wave (mmWave) applications. It uses the selective laser melting (SLM) technology to melt the Cu-15Sn powder layer by layer to build up rectangular waveguides at E-(60-90 GHz), D-(110-170 GHz), and H-band (220-325 GHz). Different from nonmetallic 3-D printed waveguides, SLM Cu-15Sn waveguides are printed once in a whole piece. Postelectroplating and assembling are not necessary. Besides, the SLM waveguide also outperforms the nonmetallic 3-D printed waveguide in mechanical robustness. Compared with nonmetallic 3-D printed and commercial metallic waveguides, SLM waveguides demonstrate comparable performance at E-band with averaged dissipative attenuation 7.51 dB/m and 7.76 dB/m for 50-and 100-mm waveguides, respectively. The attenuation of SLM waveguides is acceptable up to D-band. We prove the potential of the SLM technology for mmWave applications in both prototyping and mass production.

Nyckelord: 3-D printing; H-band; selective laser melting (SLM); waveguides

Article number 7460162

Denna post skapades 2016-07-06. Senast ändrad 2017-03-21.
CPL Pubid: 239056


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Institutioner (Chalmers)

Institutionen för mikroteknologi och nanovetenskap, Mikrovågselektronik



Chalmers infrastruktur