Surface acoustic wave device

Details Surface acoustic wave device Surface acoustic wave device

2005-05-31

2005-05-31

Wamsley, Patrick (Department: 2819)

Wave transmission lines and networks

Coupling networks

Electromechanical filter

C310S31300R

Reexamination Certificate

active

06900709

ABSTRACT:
A surface acoustic wave device includes a surface acoustic wave element and a sealing member for sealing the surface acoustic wave element. The surface acoustic wave element has a piezoelectric substrate and an electrode provided on the piezoelectric substrate. The sealing ember is made of a resin or glass. The electrode has an electrode layer made of Al or an Al alloy and includes crystals having a twin structure.

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