FIELD: piezoelectric devices.
SUBSTANCE: invention relates to devices based on piezomaterials, namely to piezoelectric actuators of axial and/or angular movements. A piezoelectric actuator includes a piezoelectric layer, a two-wire current-carrying line located inside the piezoelectric layer and made in the form of one or more double helices of electrodes.
EFFECT: possibility of creating a piezoelectric actuator with increased efficiency.
8 cl, 2 dwg
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