Applications: Precision mechanics and mechanical engineering. Life sciences, Medicine and Biology. Pneumatic & Hydraulic Valves. Nanopositioning/ High-speed switching. Active and Adaptive optics. and others.
Due to the inverse piezoelectric effect of the piezoelectric ceramics sheets, when the positive voltage is applied to the bimorph, the two piezoelectric ceramic having the opposite direction of polarization, the electric field direction and the polarization direction of the both surfaces of the side of the same, contrary to the direction of the electric field and the polarization direction of the other side, that is a party to do the expansion vibration, the other side does shrink bending vibration bimorph amplitude change a lot. Produce displacement. When applied the negative voltage when the upper and lower surface of the vibration of the ceramic sheets are opposite to the last.
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