Broadband effective dielectric permittivity of heterogeneous 3D printed PLA structures
Document typeConference report
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Rights accessOpen Access
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ProjectMETODOS DE MEDIDA DE INTERFERENCIA ELECTROMAGNETICA EN VEHICULOS AEREOS NO TRIPULADOS CON FUSELAJES INTELIGENTES (AEI-PID2019-106120RB-C31)
3D printing and additive manufacturing technologies are increasingly being employed for electronics, RF, and microwave applications because they allow high design flexibility at low cost and rapid prototyping. The intrinsic heterogeneity of printed parts has become a challenge from an electromagnetic compatibility standpoint due to their unknown impact on the electromagnetic behavior of such prototypes. To estimate relevant EMC characteristics, such as the shielding effectiveness, characteristic impedance, and coupling effects it is fundamental to know the effective dielectric permittivity of such heterogeneous structures. In this paper, the dielectric permittivity of 3D printed PLA structures is measured using the stepwise Nicolson-Ross-Weir method in the 1 GHz – 6 GHz frequency range. The influence of the layer thickness and the infill percentage is investigated.
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CitationAzpurua, M.A. [et al.]. Broadband effective dielectric permittivity of heterogeneous 3D printed PLA structures. A: International Symposium on Electromagnetic Compatibility. "2022 International Symposium on Electromagnetic Compatibility: EMC Europe: Gothenburg: Sweden: September 5-8, 2022: proceedings". Institute of Electrical and Electronics Engineers (IEEE), 2022, p. 1-5. ISBN 978-1-6654-0787-8. DOI 10.1109/EMCEurope51680.2022.9901111.