An ultrasonic element array includes a first piezoelectric element, a second piezoelectric element, a third piezoelectric element, and a fourth piezoelectric element each having a piezoelectric material sandwiched by a first electrode and a second electrode, a first wire connecting the second electrode of the first piezoelectric element and the second electrode of the second piezoelectric element, a second wire connecting the second electrode of the third piezoelectric element and the second electrode of the fourth piezoelectric element, a third wire connecting to the second wire over the first wire, and an insulating film located between the first wire and the third wire, wherein the insulating film has an inorganic insulating film made of an inorganic material and an organic insulating film made of an organic material, and the inorganic insulating film covers the piezoelectric elements.


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    Titel :

    Ultrasonic element array, ultrasonic probe, ultrasonic apparatus, and manufacturing method for ultrasonic element array


    Beteiligte:
    KOJIMA CHIKARA (Autor:in)

    Erscheinungsdatum :

    19.05.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / H10N / B06B GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL , Erzeugen oder Übertragen mechanischer Schwingungen allgemein



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