Acoustic surface wave component

Details Acoustic surface wave component Acoustic surface wave component

2005-02-08

2005-02-08

Budd, Mark (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S31300R

Reexamination Certificate

active

06853115

ABSTRACT:
An acoustic surface wave component for which metallic strip structures of copper are applied on a piezoelectric material wherein the metallic strip structures have a polycrystalline and/or monocrystalline structure and/or are present in an amorphous state and consist of a basic copper material to which 0 atom percent to a maximum of 10 atom percent of one or more other metallic elements, an alloy and/or a compound are mixed, and that the strip structures are coated with or surround by one or more diffusion barrier layers.

REFERENCES:
patent: 5497726 (1996-03-01), Shikata et al.
patent: 5844347 (1998-12-01), Takayama et al.
patent: 5856198 (1999-01-01), Joffe et al.
patent: 6297580 (2001-10-01), Takayama et al.
patent: 6580198 (2003-06-01), Nakano et al.

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