Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1988-10-11
1989-07-04
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310328, 310363, 310365, 310369, H01L 4108
Patent
active
048453994
ABSTRACT:
A laminated piezoelectric transducer, comprising a laminate of a plurality of piezoelectric plates with paste electrodes inserted therebetween and bonding the plates together. Rows of metal extrusions are made by electroless plating onto the paste electrodes on the peripheral outer surface of the laminate. Each row of the metal extrusions is formed onto and electrically connected to alternate paste electrodes, so that by electrically connecting each row of the metal extrusions, the laminate of the piezoelectric plates is electrically connected in parallel. This laminated piezoelectric transducer allows the formation of the paste electrodes on the entire or at least substantially the entire main surfaces of the piezoelectric plates, and eliminates the need for the usual metal plate electrodes inserted between the piezoelectric plates.
REFERENCES:
patent: 4803763 (1989-02-01), Eturo et al.
Kotanshi Yoichi
Matsuoka Hiroshi
Sawada Yasushi
Yasuda Eturo
Yoshida Hiroyuki
Budd Mark O.
Nippon Soken Inc.
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