STACKED PIEZOELECTRIC DEVICE AND ITS MANUFACTURING METHOD

STACKED PIEZOELECTRIC DEVICE AND ITS MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To provide a stacked piezoelectric device with the high electric reliability and the high durability, and its manufacturing method. SOLUTION: The stacked piezoelectric device has a ceramic stacked body 10 obtained by alternately stacking a ceramic layer 11 and an internal elect...

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Bibliographische Detailangaben
Hauptverfasser: IWASE AKIO, INOMATA SUMITOMO, FUKAYA TERUKAZU
Format: Patent
Sprache:eng
Schlagworte:
ELECTRICITY
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a stacked piezoelectric device with the high electric reliability and the high durability, and its manufacturing method. SOLUTION: The stacked piezoelectric device has a ceramic stacked body 10 obtained by alternately stacking a ceramic layer 11 and an internal electrode layer 12 and a pair of external electrodes provided respectively on a pair of joining planes 15 on an outer peripheral surface of the ceramic stacked body 10. Each internal electrode layer 12 has an electrode projection part 120 projecting from the ceramic layers 11 stacked adjacently on at least one of the joining planes 15. COPYRIGHT: (C)2004,JPO&NCIPI