12 research outputs found

    A Novel Piezoelectric Microtransformer for Autonmous Sensors Applications

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    This work relates to a novel piezoelectric transformer to be used in an autonomous sensor unit, possibly in conjunction with a RF-MEMS retro-modulator.Comment: Submitted on behalf of EDA Publishing Association (http://irevues.inist.fr/handle/2042/16838

    Device, Electronic, Technology for a M.E.M.S. Which Allow the Extraction of Vacuum Energy Conform to Emmy Noether Theorem

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    This theoretical work corresponds to the hope of extracting, without contradicting EMMY NOETHER’s theorem, an energy present throughout the universe: that of the spatial quantum vacuum! This article shows that it should be theoretically possible to maintain a continuous periodic vibration of a piezoelectric structure, which generates current peaks during a fraction of the vibration period. Electronics without any power supply then transform these alternating current signals into a usable direct voltage. To manufacture these different structures, we also present an original microtechnology for producing the regulation and transformation electronics, as well as that necessary for controlling the very weak interfaces between the Casimir electrodes and that of the return electrodes! These vibrations are obtained by controlling automatically and at appropriate instants the action of the attractive Casimir force by a repulsive Coulomb force applied to return electrodes. The Casimir force appearing between the two electrodes of a reflector deforms a piezoelectric bridge, inducing a displacement of the barycenter of the ionic electric charges of the bridge. This internal piezoelectric field attracts opposing moving charges, from the mass, on either side of the piezoelectric bridge used by the Coulomb force used to generate an opposing Coulomb force

    Modelisation des transistors polysilicium en couches minces sur isolant : conception et realisation d'ecrans plats a cristaux liquides et matrice active

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    SIGLECNRS TD Bordereau / INIST-CNRS - Institut de l'Information Scientifique et TechniqueFRFranc

    Piezoelectric microtransformer based on PZT unimorph membrane

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    International audienc

    Piezoelectric microtransformer based on SOI structure

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