07388454 is referenced by 113 patents and cites 261 patents.

Disclosed is an acoustic resonator that includes a substrate, a first electrode, a layer of piezoelectric material, a second electrode, and an alternating frame region. The first electrode is adjacent the substrate, and the first electrode has an outer perimeter. The piezoelectric layer is adjacent the first electrode. The second electrode is adjacent the piezoelectric layer and the second electrode has an outer perimeter. The alternating frame region is on one of the first and second electrodes.

Title
Acoustic resonator performance enhancement using alternating frame structure
Application Number
11/159753
Publication Number
7388454 (B2)
Application Date
June 23, 2005
Publication Date
June 17, 2008
Inventor
Paul D Bradley
Los Altos
CA, US
Hongjun Feng
Windsor
CO, US
Ronald S Fazzio
Loveland
CO, US
Richard C Ruby
Menlo Park
CA, US
Assignee
Avago Technologies Wireless IP
SG
IPC
H03H 9/54
H03H 9/15
H03H 9/13
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