Acoustically coupled thin-film resonators having an...

Details Acoustically coupled thin-film resonators having an... Acoustically coupled thin-film resonators having an...

2006-08-29

2006-08-29

Summons, Barbara (Department: 2817)

Wave transmission lines and networks

Coupling networks

Electromechanical filter

C333S191000, C310S365000

Reexamination Certificate

active

07098758

ABSTRACT:
Acoustically coupled resonators include a first and a second acoustic resonator. Both the first and second acoustic resonators include a first electrode, a layer of piezoelectric material, and a second electrode. The first electrode is adjacent a first surface of the layer of piezoelectric material. The second electrode is adjacent a second surface of the layer of piezoelectric material. At least the second electrode has an edge that is tapered.

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A partial copy of GB Search Report for Application No. GB0522393.8 mailed Jan. 9, 2006 (4 pgs.).

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