Multilayer piezoelectric device

A multilayer piezoelectric device with excellent durability is disclosed wherein the amount of displacement does not vary even when the multilayer piezoelectric device is continuously driven under high-voltage, high-pressure conditions for a long time. The multilayer piezoelectric device comprises a...

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1. Verfasser:	OKAMURA TAKESHI,SAKAUE KATSUSHI,KONDO MITSUO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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creator	OKAMURA TAKESHI,SAKAUE KATSUSHI,KONDO MITSUO
description	A multilayer piezoelectric device with excellent durability is disclosed wherein the amount of displacement does not vary even when the multilayer piezoelectric device is continuously driven under high-voltage, high-pressure conditions for a long time. The multilayer piezoelectric device comprises a multilayer body composed of piezoelectric layers and internal electrodes alternately stacked upon one another and external electrodes respectively formed on a first lateral surface and a second lateral surface. One of every two adjoining internal electrodes is connected to the external electrode on the first lateral surface, while the other internal electrode is connected to the external electrode on the second lateral surface. The multilayer piezoelectric device contains an alkali metal in an amount of not less than 5 ppm and not more than 300 ppm.
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subjects	BLASTING COMBUSTION ENGINES CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
title	Multilayer piezoelectric device
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