Longitudinally coupled resonator-type surface acoustic wave device
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United States of America Patent
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Aug 24, 2004
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N/A
app pub date -
Apr 4, 2003
filing date -
Apr 4, 2002
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Abstract
A longitudinally coupled resonator-type surface acoustic wave device includes interdigital transducers including a plurality of electrode fingers disposed along the propagation direction of a surface acoustic wave on a surface acoustic wave device. An electrically discontinuous portion is provided in a central portion, in the finger overlap direction, in adjacent electrode fingers in adjacent interdigital transducers, and at least one floating electrode is disposed in the finger overlap direction in the electrically discontinuous portion.
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