Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1981-04-24
1983-10-25
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310357, 310311, 310800, H01L 4108
Patent
active
044121482
ABSTRACT:
A composite of PZT (Lead Zirconate Titanate) and a compliant polymer matrix aving 3-1 connectivity (i.e., in a diphasic material, one of the two phases is continuously self-connected in all three mutually perpendicular directions and the second phase is self-connected only along one of the three mutually perpendicular directions) and fabrication method thereof is described. An array of parallel PZT rod elements is embedded in a mechanically compliant polymer matrix with their axes along the direction of the poling electric field. Such a composite has a high value of g.sub.h, d.sub.h and g.sub.33 with very little sacrifice in the value of d.sub.33.
REFERENCES:
patent: 2420864 (1947-05-01), Chilowsky
patent: 3070775 (1962-12-01), Andrews, Jr.
patent: 3213027 (1965-10-01), Fatuzzo et al.
Biggers James V.
Cross Leslie E.
Klicker Kenneth A.
Newnham Robert E.
Beers Robert F.
Budd Mark O.
Lall Prithvi C.
McGill Arthur A.
The United States of America as represented by the Secretary of
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