PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC EQUIPMENT

There is provided a lead-free piezoelectric material having a high and stable piezoelectric constant and mechanical quality factor in a wide operating temperature range. A piezoelectric material mainly composed of a perovskite type metal oxide having the general formula (1), wherein manganese is inc...

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Hauptverfasser:	HAYASHI, Jumpei, OSHIMA, Kanako, SAITO, Hiroshi, UEBAYASHI, Akira
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CONVERSION OR DISTRIBUTION OF ELECTRIC POWER CORRECTION OF TYPOGRAPHICAL ERRORS ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIME, MAGNESIA LINING MACHINES METALLURGY PERFORMING OPERATIONS PRINTING REFRACTORIES SELECTIVE PRINTING MECHANISMS SLAG STAMPS TRANSPORTING TREATMENT OF NATURAL STONE TYPEWRITERS
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Beschreibung
Zusammenfassung:	There is provided a lead-free piezoelectric material having a high and stable piezoelectric constant and mechanical quality factor in a wide operating temperature range. A piezoelectric material mainly composed of a perovskite type metal oxide having the general formula (1), wherein manganese is incorporated in the metal oxide, and the Mn content is 0.12 parts by weight or more and 0.40 parts by weight or less on a metal basis per 100 parts by weight of the metal oxide. (Ba1-xCax)a(Ti1-y-zSnyZrz)O3 (1) (1.00 a 1.01, 0.125 x 0.300, 0