Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1997-04-28
1998-08-18
Dougherty, Thomas M.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310334, 310357, H01L 4108
Patent
active
057962073
ABSTRACT:
This invention relates to novel oriented piezoelectric ceramic and ceramic/polymer composites. More particularly, it provides a novel piezoelectric composite design wherein the ceramic piezoelectric phase is oriented at an angle with respect to the direction of applied stress, thus giving improved electromechanical properties.
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Kahn et al., "Calculations and Measurements of the Spatial Plezoelectric Response and of the d.sub.15 Parameter of PZT5A Ceramic"; J. Am. Ceram.
Batha; "Effect of piezoelectric rod orientation on optimum sensitivity"; SPIE Smart Structures and Materials Proceedings, pp. 294-299, 1993, No month.
A. Bandyopadhyay et al.; Processing of Piezocomposites by Fused Deposition Technique; Proceedings of Intl. Symposium in the Applications of Ferrdietrics, Aug. 1996. pp. 999-1002.
Bandyopadhyay Amit
Danforth Stephen C.
Janas Victor F.
Panda Rajesh Kumar
Safari Ahmad
Dougherty Thomas M.
Ritter John F.
Rutgers The State University of New Jersey
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