发明名称 |
Unidirectional surface acoustic wave transducer and transversal-type saw filter having the same |
摘要 |
A unidirectional surface acoustic wave transducer includes a plurality of interdigital transducers and a plurality of reflectors disposed on a piezoelectric substrate. The directivity of a first group of the plurality of reflectors is opposite relative to the directivity of a second group of the plurality of reflectors.
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申请公布号 |
US6147574(A) |
申请公布日期 |
2000.11.14 |
申请号 |
US19980196457 |
申请日期 |
1998.11.19 |
申请人 |
MURATA MANUFACTURING CO., LTD. |
发明人 |
KIDOH, HIDEO |
分类号 |
H03H9/02;H03H9/145;(IPC1-7):H03H9/145;H03H9/64 |
主分类号 |
H03H9/02 |
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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