A Compact Polyimide-Based UWB Antenna for Flexible Electronics

A Compact Polyimide-Based UWB Antenna for Flexible Electronics

In this letter, we present a compact ultrawideband (UWB) antenna printed on a 50.8-μm Kapton polyimide substrate. The antenna is fed by a linearly tapered coplanar waveguide (CPW) that provides smooth transitional impedance for improved matching. The proposed design is tuned to cover the 2.2-14.3-GH...

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Veröffentlicht in:IEEE antennas and wireless propagation letters 2012, Vol.11, p.564-567
Hauptverfasser: Khaleel, H. R., Al-Rizzo, H. M., Rucker, D. G., Mohan, S.
Format: Artikel
Sprache:eng
Schlagworte:
Antenna radiation patterns
Coplanar waveguide (CPW)
Coplanar waveguides
flexible electronics
polyimide
Slot antennas
Substrates
Ultra wideband antennas
ultrawideband (UWB)
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container_title IEEE antennas and wireless propagation letters
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creator Khaleel, H. R.
Al-Rizzo, H. M.
Rucker, D. G.
Mohan, S.
description In this letter, we present a compact ultrawideband (UWB) antenna printed on a 50.8-μm Kapton polyimide substrate. The antenna is fed by a linearly tapered coplanar waveguide (CPW) that provides smooth transitional impedance for improved matching. The proposed design is tuned to cover the 2.2-14.3-GHz frequency range that encompasses both the 2.45-GHz Industrial, Scientific, Medical (ISM) band and the standard 3.1-10.6-GHz UWB band. Furthermore, the antenna is compared to a conventional CPW-fed antenna to demonstrate the significance of the proposed design. A parametric study is first performed on the feed of the proposed design to achieve the desired impedance matching. Next, a prototype is fabricated; measurement results show good agreement with the simulated model. Moreover, the antenna demonstrates a very low susceptibility to performance degradation due to bending effects in terms of impedance matching and far-field radiation patterns, which makes it suitable for integration within modern flexible electronic devices.
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subjects Antenna radiation patterns
Coplanar waveguide (CPW)
Coplanar waveguides
flexible electronics
polyimide
Slot antennas
Substrates
Ultra wideband antennas
ultrawideband (UWB)
title A Compact Polyimide-Based UWB Antenna for Flexible Electronics
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