Surface acoustic wave device
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United States of America Patent
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-
May 13, 2008
Grant Date -
Aug 4, 2005
app pub date -
Nov 16, 2004
filing date -
Nov 18, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A surface acoustic wave (SAW) device includes a piezoelectric substrate, a first and a second interdigital transducers (IDT) provided thereon. The second IDT has a side that is substantially aligned with a corresponding side of the first IDT, and another side of the second IDT is arranged so that the second IDT may adjust a leaked wave caused resulting from by a power-flow angle of the piezoelectric substrate.
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