Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1988-12-13
1990-05-15
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
324 77K, 350358, H01L 4108
Patent
active
049260839
ABSTRACT:
A novel heterojunction acoustic charge transport device includes a transducer fabricated on a GaAs/AlGaAs heterojunction material that launches surface acoustic waver (SAW) along a transport channel. The device is characterized by a photodiode configured adjacent to the channel on the substrate to receive a modulated optical beam. An electrical signal equivalent is provided to a Schottky electrode at the end of the transport channel modulating the charge propagated by the surface acoustic wave. The modulated signal is output at a distal end of the transport channel.
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Foyt Arthur G.
Merritt Sears W.
Sacks Robert N.
Budd Mark O.
United Technologies Corporation
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