Elastic boundary wave device
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United States of America Patent
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Issued Date -
Sep 13, 2007
app pub date -
Mar 6, 2007
filing date -
Mar 7, 2006
priority date (Note) -
Abandoned
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Abstract
An elastic boundary wave device includes a first medium with piezoelectricity, an electrode exciting an elastic wave and provided on the first medium, a second medium made of a different material from the first medium and provided on the first medium to cover the electrode, and a sound absorbing portion provided on the second medium.
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