Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Bert W. A. Wall0
Jeffrey C Andle0
Date of Patent
August 4, 2009
Patent Application Number
11865829
Date Filed
October 2, 2007
Patent Primary Examiner
Patent abstract
An in-line SAW resonator employs an asymmetric adjustment of the Bragg frequencies of the left outer reflector and right outer reflector where the degree of periodicity shift and the relative direction of the frequency shift are calculated to move the peaks of the acoustic standing wave trapped between the gratings to coincide with the optimized centers of transduction of one or more interdigital transducers (IDTs) without the need for undesirable breaks in the periodicity or the use of reflectionless IDTs.
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