UNLEADED PIEZOELECTRIC CERAMIC COMPOSITION, PIEZOELECTRIC ELEMENT USING SAME, DEVICE, AND METHOD FOR MANUFACTURING UNLEADED PIEZOELECTRIC CERAMIC COMPOSITION

UNLEADED PIEZOELECTRIC CERAMIC COMPOSITION, PIEZOELECTRIC ELEMENT USING SAME, DEVICE, AND METHOD FOR MANUFACTURING UNLEADED PIEZOELECTRIC CERAMIC COMPOSITION

A lead-free piezoelectric ceramic composition includes a first crystal phase made of an alkali niobate/tantalate type perovskite oxide having piezoelectric properties, and a second crystal phase made of an M-Ti-0 spinel compound (where the element M is a monovalent to quadrivalent element).

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Bibliographische Detailangaben
Hauptverfasser: Yasuyuki OKIMURA, Hideto YAMADA, Takayuki MATSUOKA, Kazushige OHBAYASHI, Takashi KASASHIMA, Masato YAMAZAKI, Hisashi KOZUKA, Toshiaki KURAHASHI, Kazuaki KITAMURA
Format: Patent
Sprache:eng
Schlagworte:
ELECTRICITY
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Beschreibung
Zusammenfassung:A lead-free piezoelectric ceramic composition includes a first crystal phase made of an alkali niobate/tantalate type perovskite oxide having piezoelectric properties, and a second crystal phase made of an M-Ti-0 spinel compound (where the element M is a monovalent to quadrivalent element).