Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1990-10-02
1992-07-07
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310313R, 310313D, H01L 4108
Patent
active
051285797
ABSTRACT:
An acoustic charge transport device having a number of signal tap electrodes has revealed unexpected insensitivity to electrode spacing and unexpected sensitivity to electrode width. Spacing of one-half SAW wavelength between consecutive electrodes and an electrode width of .lambda./20 are preferred for low frequency response.
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patent: 4884001 (1989-11-01), Sacks et al.
patent: 4926146 (1990-05-01), Yen et al.
patent: 4990814 (1991-02-01), Tanski et al.
patent: 5047363 (1991-09-01), Hickernell et al.
Branciforte Emilio J.
Carroll Roger D.
Cullen Donald E.
Merritt Sears W.
Tanski William J.
Budd Mark O.
United Technologies Corporation
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