Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Werner Ruile0
Markus Hauser0
Ulrike Roesler0
Date of Patent
May 24, 2011
0Patent Application Number
120935310
Date Filed
November 20, 2006
0Patent Primary Examiner
Patent abstract
A component working with guided acoustic waves includes a layer system configured to guide waves in a lateral plane. The layer system includes a piezoelectric layer, electrodes on the piezoelectric layer for exciting the wave, a dielectric layer with an acoustic impedance, and an adjustment layer with an acoustic impedance. A ratio of the acoustic impedance of the adjustment layer to the acoustic impedance of the dielectric layer is greater than 1.5.
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