PIEZOELECTRIC CERAMIC COMPOSITION AND ITS PRODUCTION

PIEZOELECTRIC CERAMIC COMPOSITION AND ITS PRODUCTION

PROBLEM TO BE SOLVED: To obtain a piezoelectric ceramic composition capable of giving devices which are high in piezoelectric strain constant, small in temporal change in resonant frequency, low in porosity and high in denseness, thus suitable for actuators. SOLUTION: This piezoelectric ceramic comp...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: OTSU MASASHI, NIWA YASUO
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
ELECTRICITY
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Zusammenfassung:PROBLEM TO BE SOLVED: To obtain a piezoelectric ceramic composition capable of giving devices which are high in piezoelectric strain constant, small in temporal change in resonant frequency, low in porosity and high in denseness, thus suitable for actuators. SOLUTION: This piezoelectric ceramic composition comprises (Pb1-x Lax ) [Zr1-y Tiy ]1-x/4 O3 (0.03