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Journal Articles Microwave and Optical Technology Letters Year : 2015

Comprehensive study of ultra broadband GCPW-MS transition on thin films

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Abstract

Back‐to‐back GCPW‐MS‐GCPW (Grounded Coplanar Waveguide‐Microstrip lines) transitions realized on benzocyclobutene polymer thin films (20 μm) and using copper metallization are presented in this article. The achieved experimental bandwidth is 82 GHz with a remarkably lower cutoff frequency of only 1.5 GHz and insertion loss of 0.5 dB. This performance is obtained without neither making via holes in the substrate nor patterning the bottom ground plane. These transitions make easier and faster manufacturing and characterization, by means of coplanar probes, of microwave devices realized from materials in thin film and whose driving electrode is a MS line. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:2041–2045, 2015

Dates and versions

hal-01166317 , version 1 (22-06-2015)

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Mohammed El Gibari, Dominique Averty, Mathieu Halbwax, Jean-Pierre Vilcot, Hong Wu Li. Comprehensive study of ultra broadband GCPW-MS transition on thin films. Microwave and Optical Technology Letters, 2015, 57 (9), pp.2041-2045. ⟨10.1002/mop.29273⟩. ⟨hal-01166317⟩
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