Saw device

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

Reexamination Certificate

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Details

C310S31300R, C310S31300R, C333S193000, C333S194000, C333S195000

Reexamination Certificate

active

07034435

ABSTRACT:
A SAW device includes a piezoelectric substrate, and an electrode having a first metal film which is formed over the piezoelectric substrate and is made with a first material, and second metal films which are formed over side walls of the first metal film and are made with a second material which is different from the first material.

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