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Ferroelectret non-contact ultrasonic transducers

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    0097753 - FZÚ 2008 RIV DE eng J - Journal Article
    Bovtun, Viktor - Döring, J. - Bartusch, J. - Beck, U. - Erhard, A. - Yakymenko, Y.
    Ferroelectret non-contact ultrasonic transducers.
    [Feroelektretové bezkontaktní ultrazvukové převodníky.]
    Applied Physics A - Materials Science & Processing. Roč. 88, č. 4 (2007), s. 737-743. ISSN 0947-8396. E-ISSN 1432-0630
    R&D Projects: GA ČR(CZ) GA202/06/0403
    Institutional research plan: CEZ:AV0Z10100520
    Keywords : ferroelectrets * polymers * ultrasonic transducers
    Subject RIV: BM - Solid Matter Physics ; Magnetism
    Impact factor: 1.857, year: 2007

    Dielectric and electromechanical properties of the cellular polypropylene ferroelectret films (EMFIT), combining strong piezoelectric response with a low density and softness, high potential for the air-coupled ultrasonic applications. Prototype transducers based on the EMFIT films were developed.

    Buněčný polypropylenový feroelektretový film (EMFIT) má silnou piezoelektrickou odezvu, má nízkou hustotu a je měkký. Proto je vysoce vhodný pro ultrazvukové bezkontaktní aplikace. Představujeme námi vyvinutý prototyp převodníku z EMFIT-ové tenké vrstvy.
    Permanent Link: http://hdl.handle.net/11104/0004480

     
     
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