Metal working – Piezoelectric device making
Patent
1996-11-05
1997-09-23
Vo, Peter
Metal working
Piezoelectric device making
29851, 29852, 310317, 310323, 310359, 310366, H01L 41047, H01L 41053, H01L 4108
Patent
active
056691270
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:
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patent: 4742264 (1988-05-01), Ogawa
patent: 5124611 (1992-06-01), Tamai et al.
patent: 5231325 (1993-07-01), Tamai et al.
patent: 5245734 (1993-09-01), Issartel
Nomura Toshikatsu
Okura Sadakatsu
Takahashi Shigeru
Canon Kabushiki Kaisha
Nihon Cement Co, Ltd.
Vo Peter
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