Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Duck-hwan Kim0
Byeoung-ju Ha0
Chul-soo Kim0
In-sang Song0
Sang-chul Sul0
Yun-kwon Park0
Date of Patent
September 9, 2008
0Patent Application Number
113952980
Date Filed
April 3, 2006
0Patent Citations Received
0
Patent Primary Examiner
Patent abstract
A film bulk acoustic resonator includes a substrate; a lower electrode formed on top of the substrate; a piezoelectric membrane formed on top of the lower electrode and having a crystallographic axis so inclined as to generate a total reflection when an acoustic wave advances toward the lower electrode; and an upper electrode formed on top of the piezoelectric membrane.
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