Electromechanical film

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Electromechanical Film is a thin membrane whose thickness is related to an electric voltage. It can be used as a pressure sensor, microphone, or a speaker. It can also convert electrical energy to vibration, functioning as an actuator.[1]


  1. ^ Manninen, A; Sand, J; Saarela, J; Sorvajärvi, T; Toivonen, J; Hernberg, R. "Electromechanical film as a photoacoustic transducer". Opt Express. 17: 16994–9. doi:10.1364/oe.17.016994. PMID 19770917.