Reflectionless transducer

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United States of America Patent

PATENT NO 4902925
SERIAL NO

07178271

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Abstract

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A reflectionless surface acoustic wave transducer is proposed which has first and second opposed conductive transducer pads on a substrate of piezo-electric material. A plurality of groups of n interdigitated .lambda./4 electrodes extend from the opposed pads to form an elongated transducer. Each group of n interdigitated electrodes has a spacing within the group of .lambda./4 and the spaces between adjacent groups of the interdigitated electrodes are .lambda./2 such that adjacent groups cancel reflections from each other thereby establishing a reflectionless surface acoustic wave transducer.

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Patent Owner(s)

Patent OwnerAddress
R F MONOLITHICS INCDALLAS TX

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wright, Peter V Dallas, TX 42 591

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