Elastic surface wave device |
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| 申请号 | JP260180 | 申请日 | 1980-01-16 | 公开(公告)号 | JPS56100510A | 公开(公告)日 | 1981-08-12 |
| 申请人 | Clarion Co Ltd; | 发明人 | MINAGAWA SHIYOUICHI; OKAMOTO TAKESHI; SAKAI TAKAMASA; | ||||
| 摘要 | PURPOSE: To improve the efficiency of parametric interactin, by protruding the metallic strip in the propagation path of the elastic surface wave into the region outside of the propagation path of this elastic surface wave. CONSTITUTION: Plural metallic strips S are arranged in the propagation path of the elastic surface wave in the lamination body provided with piezoelectric material 23 and semiconductor 1. These metallic strips S are protruded onto the semiconductor outside of the propagation path of the said elastic surface wave, and the space charge layer capacitance nonlinearity caused on the semiconductor surface in this protruded part is used as the main acting factor of parametric interaction. COPYRIGHT: (C)1981,JPO&Japio |
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