Piezoelectric element and injector using the same

Details Piezoelectric element and injector using the same Piezoelectric element and injector using the same

2005-01-25

2005-01-25

Evans, Robin O. (Department: 3742)

Fluid sprinkling, spraying, and diffusing

With means to vibrate or jiggle discharge

C239S102200, C310S328000, C310S331000

Reexamination Certificate

active

06845920

ABSTRACT:
A piezoelectric element and an injector using the same piezoelectric element are disclosed, which are so high in reliability as not to be shorted even in a high humidity environment, are small in size, are low in cost and are high in heat radiation capability. The piezoelectric element comprises a ceramic laminate (10) including a plurality of ceramic layers of a piezoelectric ceramic (11) and a plurality of internal electrode layers (21, 22), stacked alternately. At least an organic insulating layer (41) of an organic material is formed on at least a part of the surface of the ceramic laminate (10), and at least an inorganic insulating layer (42) of an inorganic material is formed on the organic insulating layer (41).

REFERENCES:
patent: 4887186 (1989-12-01), Takeda et al.
patent: 5677717 (1997-10-01), Ohashi
patent: 62-88382 (1987-04-01), None
patent: 130970 (1990-05-01), None
patent: 3-12974 (1991-01-01), None
patent: 3-155180 (1991-07-01), None
patent: 4-279070 (1992-10-01), None

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