Surface acoustic wave transducer having selected reflectivity
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United States of America Patent
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Aug 11, 1998
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N/A
app pub date -
Apr 20, 1995
filing date -
Nov 12, 1993
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Abstract
An improved surface acoustic wave device that utilizes M electrodes per each N transduction length(s) of a transducer that produces a desired net internal distributed reflectivity in both magnitude and phase. Two of the transducers can be made placed on a single substrate and be unidirectional and caused to radiate towards each other to form a filter. A resonator, a delay line, or the like can also be formed.
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