Wide-Band Characterization of Printable Electronics Materials: The Effect of Conductor Loss and Internal Inductance on Relative Permittivity

Conference: EuCAP 2009 - 3rd European Conference on Antennas and Propagation
03/23/2009 - 03/27/2009 at Berlin, Germany

Proceedings: EuCAP 2009

Pages: 5Language: englishTyp: PDF

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Lilja, Juha; Sillanpää, Hannu; Mäkinen, Riku; Mansikkamäki, Pauliina (Tampere University of Technology, Department of Electronics, P.O. Box 692, 33101, Tampere, Finland)
Palukuru, Vamsi; Hagberg, Juha (University of Oulu, Microelectronics and Materials Physics Laboratories. P.O. Box 4500, 90014 Oulu, Finland)
Östman, Kauko; Kanerva, Tomi; Jantunen, Heli; Lepistö, Toivo (Tampere University of Technology, Department of Materials Science, P.O. Box 589, 33101, Tampere, Finland)

This paper reviews the effect of finite conductivity of printed transmission lines on the measured dielectric constant. Printed conductors having thicknesses of the order of few micrometers and conductivity values of the order of 1e7 S/m increases the distributed inductance of printed lines even at several GHz frequencies. Furthermore, the conductivity of printed traces is adequately determined from wide-band measurement results.