A new cellular electret sensor-actuator

Windmill, J.F.C.; (2008) A new cellular electret sensor-actuator. In: 13th International Symposium on Electrets, 2008. IEEE. ISBN 978-1-4244-1850-3

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Abstract

The new form of electret, EFoam, has a high degree of sensitivity, and can be manufactured with varying stiffness and shape. Initial investigations indicate sensitivity comparable to that of other commercially available piezoelectric polymers. Further work is needed to explore the maximum sensitivity attainable. Due to the nature of manufacture, EFoam can be made both in conventional sheet form, and bulk, three-dimensional shapes. The molding procedure used, combined with some post-processing, could confer EFoam with complex shapes, endowing different areas of the structure with heterogeneous and controllable mechanical properties. Finally, the resonant behavior (and so stiffness) of EFoam can be altered as a function of a dc-offset voltage applied.

ORCID iDs

Windmill, J.F.C. ORCID logoORCID: https://orcid.org/0000-0003-4878-349X;