Complex Dielectric Permittivity of Engineering and 3D-Printing Polymers at Q-Band

  • Nicolás ReyesEmail author
  • Francisco Casado
  • Valeria Tapia
  • Claudio Jarufe
  • Ricardo Finger
  • Leonardo Bronfman


We report experimental values of the complex dielectric permittivity of a wide variety of engineering polymers. Measurements were done using the filling waveguide method at Q-band (30–50 GHz), being representative of the values over the millimeter wave regime. This method has a high accuracy, providing excellent wide-bandwidth characterization. Measured samples include the most common engineering materials as polyamide, polyethylene, polytetrafluoroethylene, polyoxymethylene, polylactic acid, phenol formaldehyde resin, polypropylene, polyvinyl chloride, acrylonitrile butadiene styrene, polyphenyle sulfide, and polyether ether ketone. Results are comprehensive and represent an important contribution to the technical literature which lacks of material measurements at these frequencies. Of particular interest are samples of 3D printed materials and high performance polymers, that will probably find new and novel applications in the field of microwave components and antennas for the millimeter wave band.


Microwave characterization Dielectric permittivity Tangent loss 



This project received support from CONICYT through projects Fondecyt 11151022, Fondecyt 11140428, ALMA 31150012, and Center of Excellence in Astrophysics and Associated Technologies (PBF 06).


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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Electrical EngineeringUniversidad de ChileSantiagoChile
  2. 2.Department of AstronomyUniversidad de ChileSantiagoChile

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