Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1991-06-27
1993-10-12
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310348, H01L 4108
Patent
active
052528820
ABSTRACT:
A surface acoustic wave device and its manufacturing method. A surface acoustic wave device is used as filters for VHF and UHF range signals, or resonators for VHF and UHF range, by driving the surface of a surface acoustic wave element with applied signal to electrodes, transmitting a surface acoustic wave, and receiving the surface acoustic wave with other electrodes. In a configuration of a surface mount type surface acoustic wave device where a surface acoustic wave element is stored inside a package consisting of a base and a cover, pads are attached on a surface of the base and the surface acoustic wave element is fixed to the base by face down bonding.
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Budd Mark O.
Dougherty Thomas M.
Japan Radio Co. Ltd.
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