Acoustic surface wave component
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United States of America Patent
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Feb 8, 2005
Grant Date -
Apr 22, 2004
app pub date -
Oct 2, 2003
filing date -
Feb 16, 2001
priority date (Note) -
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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.
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