| 发明名称 |
Filters |
| 摘要 |
An electric filter comprises a plurality of thin film bulk acoustic resonators (10, 11) arranged in series and in parallel which have different thicknesses (T) of one or more non-piezoelectric layers for example top electrode (24).
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| 申请公布号 |
US2002118079(A1) |
申请公布日期 |
2002.08.29 |
| 申请号 |
US20020031240 |
申请日期 |
2002.04.02 |
| 申请人 |
WHATMORE ROGER W.;KIRBY PAUL B.;SU QINGXIN;KOMURO EIJU |
发明人 |
WHATMORE ROGER W.;KIRBY PAUL B.;SU QINGXIN;KOMURO EIJU |
| 分类号 |
H03H9/17;H03H9/54;H03H9/58;H03H9/60;(IPC1-7):H03H9/58 |
主分类号 |
H03H9/17 |
| 代理机构 |
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