Broadband Permittivity Characterization of Polyvinyl-Alcohol Film for Humidity Sensing Applications

Donghang Lu,Matthias Maasch,Andreas Penirschke,Yuliang Zheng,Christian Damm,Rolf Jakoby

IEEE Transactions on Microwave Theory and Techniques（2016）

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摘要

This paper presents broadband complex permittivity characterization of polyvinyl-alcohol (PVA) film at different relative humidities (RHs) from 13.7% to 94.3% for sensing applications. Interdigital capacitor is employed as a basic component to characterize the permittivity in a microwave range between 1.5 and 15 GHz. The investigated PVA film shows low hysteresis and stable long interval performan...

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关键词

Mathematical model,Sensors,Permittivity,Dielectrics,Permittivity measurement,Humidity,Capacitance

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