发明名称 |
Acoustic wave resonator and acoustic wave filter using the same |
摘要 |
An acoustic wave resonator includes a piezoelectric substrate and first and second comb-shaped electrodes provided on the piezoelectric substrate and interdigitating with each other. The first comb-shaped electrode includes a first busbar and first electrode fingers extending in a direction non-perpendicular to a direction in which the first busbar extends. The second comb-shaped electrode includes a second busbar and second electrode fingers extending from the second busbar and interdigitating with the first electrode fingers at an interdigitating region. This acoustic wave resonator can suppress a spurious response due to a transverse mode and has a high Q value.
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申请公布号 |
US8487720(B2) |
申请公布日期 |
2013.07.16 |
申请号 |
US201113037640 |
申请日期 |
2011.03.01 |
申请人 |
FUJIWARA JOJI;TSURUNARI TETSUYA;NAKAMURA HIROYUKI;PANASONIC CORPORATION |
发明人 |
FUJIWARA JOJI;TSURUNARI TETSUYA;NAKAMURA HIROYUKI |
分类号 |
H03H9/64;H03H9/145;H03H9/25 |
主分类号 |
H03H9/64 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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