Detail publikace

Effective Relative Permittivity Determination of 3D Printed Artificial Dielectric Substrates Based on a Cross Unit Cell

KADĚRA, P. LÁČÍK, J. ARTHABER, H.

Originální název

Effective Relative Permittivity Determination of 3D Printed Artificial Dielectric Substrates Based on a Cross Unit Cell

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

This paper proposes closed-form analytical models for the determination of the effective relative permittivity of 3D printed artificial dielectric substrates based on a cross unit cell. The parallel plate capacitor approach is used to describe the real physical shape of the unit cell allowing to include anisotropic properties as well. A detailed comparison of the analytical models and effective medium approximations is carried out for air host material and inclusion materials with relative permittivities in the range from 2.5 to 1000 and the inclusion volume fraction from 0.1 to 1. It is observed that the proposed models predict the effective relative permittivity with much better accuracy than frequently used effective medium theory-based formulas and due to their closed-form expressions provide faster calculations than numerical methods. The proposed models were verified experimentally, achieving a very good agreement with simulations.

Klíčová slova

Dielectric substrates, permittivity, analytical models, material characterization, three-dimensional printing

Autoři

KADĚRA, P.; LÁČÍK, J.; ARTHABER, H.

Vydáno

1. 12. 2021

Nakladatel

Brno University of Technology

Místo

Brno, Czech Republic

ISSN

1210-2512

Periodikum

Radioengineering

Ročník

30

Číslo

4

Stát

Česká republika

Strany od

595

Strany do

610

Strany počet

16

URL

https://dx.doi.org/10.13164/re.2021.0595

BibTex

@article{BUT172754,
  author="Petr {Kaděra} and Jaroslav {Láčík} and Holger {Arthaber}",
  title="Effective Relative Permittivity Determination of 3D Printed Artificial Dielectric Substrates Based on a Cross Unit Cell",
  journal="Radioengineering",
  year="2021",
  volume="30",
  number="4",
  pages="595--610",
  doi="10.13164/re.2021.0595",
  issn="1210-2512",
  url="https://dx.doi.org/10.13164/re.2021.0595"
}