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    Piezoelectric ceramic speaker using vibration sheet formed with piezoelectric ceramic

    Neue Suche nach: WATANABE GOUKI
    Neue Suche nach: GOTO TAKAYUKI
    Neue Suche nach: HATANO KEIICHI
    Neue Suche nach: KISHIMOTO SUMIAKI
    Neue Suche nach: DOSHIDA YUTAKA

    A piezoelectric ceramic speaker includes a piezoelectric element using a vibration sheet formed with piezoelectric ceramic having a primary phase constituted by ceramic grains of perovskite crystal structure containing Pb, Nb, Zn, Ti, and Zr, and a secondary phase constituted by ZnO grains, wherein the primary phase is constituted by ceramic grains expressed by a composition formula Pb {(Zr(1-a)Tia)x·(Ni1/3Nb2/3)y·(Zn1/3Nb2/3)z}O3 (where 0<1, 0

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    Piezoelectric ceramic speaker using vibration sheet formed with piezoelectric ceramic

    Neue Suche nach: WATANABE GOUKI
    Neue Suche nach: GOTO TAKAYUKI
    Neue Suche nach: HATANO KEIICHI
    Neue Suche nach: KISHIMOTO SUMIAKI
    Neue Suche nach: DOSHIDA YUTAKA

    A piezoelectric ceramic speaker includes a piezoelectric element using a vibration sheet formed with piezoelectric ceramic having a primary phase constituted by ceramic grains of perovskite crystal structure containing Pb, Nb, Zn, Ti, and Zr, and a secondary phase constituted by ZnO grains, wherein the primary phase is constituted by ceramic grains expressed by a composition formula Pb {(Zr(1-a)Tia)x·(Ni1/3Nb2/3)y·(Zn1/3Nb2/3)z}O3 (where 0<1, 0

    Zugriff

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    Piezoelectric ceramic speaker using vibration sheet formed with piezoelectric ceramic

    Neue Suche nach: WATANABE GOUKI
    Neue Suche nach: GOTO TAKAYUKI
    Neue Suche nach: HATANO KEIICHI
    Neue Suche nach: KISHIMOTO SUMIAKI
    Neue Suche nach: DOSHIDA YUTAKA

    A piezoelectric ceramic speaker includes a piezoelectric element using a vibration sheet formed with piezoelectric ceramic having a primary phase constituted by ceramic grains of perovskite crystal structure containing Pb, Nb, Zn, Ti, and Zr, and a secondary phase constituted by ZnO grains, wherein the primary phase is constituted by ceramic grains expressed by a composition formula Pb {(Zr(1-a)Tia)x·(Ni1/3Nb2/3)y·(Zn1/3Nb2/3)z}O3 (where 0<1, 0

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    Zugriff

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    Seitennavigation

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    Ähnliche Titel

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    Titel:

    Piezoelectric ceramic speaker using vibration sheet formed with piezoelectric ceramic

    Beteiligte:

    WATANABE GOUKI (Autor:in) / GOTO TAKAYUKI (Autor:in) / HATANO KEIICHI (Autor:in) / KISHIMOTO SUMIAKI (Autor:in) / DOSHIDA YUTAKA (Autor:in)

    Erscheinungsdatum:

    17.09.2019

    Medientyp:

    Patent

    Format:

    Elektronische Ressource

    Sprache:

    Englisch

    Klassifikation:

    IPC:  H10N / C04B Kalk , LIME / H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler

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