Electro-mechanical energy conversion device for vibration driven

Details Electro-mechanical energy conversion device for vibration driven Electro-mechanical energy conversion device for vibration driven

1997-09-02

1999-08-10

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310366, 310358, H01L 4108

Patent

active

059363274

ABSTRACT:
In an electro-mechanical energy conversion device which is disclosed, green sheets on which whole surface electrodes for grounding have been printed and green sheets on which 2-divided electrodes have been printed are laminated. The green sheets having the 0.degree. phase and 90.degree. phase on which the 2-divided electrodes have been printed are laminated through the printed sheet on which the whole surface electrode for grounding. After the laminate body was sintered and integrated, it is polarized in a manner such that the polarizing directions in the thickness direction of each layer are opposite between the two divided electrodes which form one pair by using the whole surface electrodes for grounding and the 2-divided electrodes which were printed, thereby constructing the conversion device for the laminated type vibration driven motor.

REFERENCES:
patent: 2761076 (1956-08-01), Hansell
patent: 3390287 (1968-06-01), Sonderegger
patent: 4580073 (1986-04-01), Okumura et al.
patent: 4742264 (1988-05-01), Ogawa
patent: 4759107 (1988-07-01), Ogawa et al.
patent: 5036240 (1991-07-01), Lew
patent: 5122700 (1992-06-01), Tamai et al.
patent: 5124611 (1992-06-01), Tamai et al.
patent: 5231325 (1993-07-01), Tamai et al.

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