A grounded coplanar waveguide resonator based in-line material characterization sensor

Publikationstyp
Conference Paper
Date Issued
2016-04-27
Sprache
English
Author(s)
Talai, Armin  
Mann, Sebastian  
Weigel, Robert  
Kölpin, Alexander  orcid-logo
TORE-URI
http://hdl.handle.net/11420/5634
Start Page
457
End Page
460
Article Number
7461654
Citation
German Microwave Conference, GeMiC: 7461654 (2016-04-27)
Contribution to Conference
German Microwave Conference, GeMiC 2016  
Publisher DOI
10.1109/GEMIC.2016.7461654
Microwave Materials such as Rogers RO3003 are subject to process-related fluctuations in terms of the relative permittivity. The behavior of high frequency circuits like patch-Antenna arrays and their distribution networks is dependent on the effective wavelength. Therefore, fluctuations of the relative permittivity will influence the resonance frequency and antenna beam direction. This paper presents a grounded coplanar wave-guide based sensor, which can measure the relative permittivity at 77 GHz, as well as at other resonance frequencies, by applying it on top of the manufactured depaneling. In addition, the sensor is robust against floating ground metallizations on inner printed circuit board layers, which are typically distributed over the entire surface below antennas.
Subjects
Antenna Array
Differential Frequency
Electromagnetic Simulation
Floating Ground
Grounded Coplanar Waveguide
Material Characterization
Relative Permittivity