Optimizing dimensions of unipolar Teflon-FEP piezoelectrets with micro-system-technology

  • In this work we present a new micro-system-technology based production process for unipolar ferroelectrets. Theoretical analysis of the influence of the air-gap size on the electric field distribution as well as on the induced charge on the electrodes shows superior performance of unipolar piezoelectrets with small air-gaps. For the production of these small air-gaps we developed a new design using a photoresist thermoforming master, an integrated micro-heater and shadow masks for metallization. Unipolar piezoelectrets produced with this technology exhibit increased d33-coefficients compared to designs in previous publications. These piezoelectrets are highly preferable for energy-harvesting applications, as they promise high electric power output.

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Metadaten
Author:Florian Emmerich, Christiane Thielemann
Parent Title (English):Journal of Physics: Conference Series
Document Type:Article
Language:English
Year of Completion:2017
Release Date:2020/04/28
GND Keyword:Mikrosystemtechnik
Volume:2018
Issue:1052
First Page:1
Last Page:4
Urheberrecht:1
research focus :Intelligent Systems / Clean Tech
Intelligent Systems / Intelligent Sensors and Signals
Materials / Material Testing & Sensor Technology
Licence (German):Keine Lizenz - es gilt das deutsche Urheberrecht
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