再颁专利
- 专利标题: Surface acoustic wave arrangement with a junction region between surface acoustic wave structures having a decreasing then increasing finger period
- 专利标题(中): 具有表面声波结构之间的结区的表面声波布置具有随之增加的手指周期
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申请号: US10890553申请日: 1999-10-26
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公开(公告)号: USRE39538E1公开(公告)日: 2007-04-03
- 发明人: Thomas Bauer , Günter Kovacs , Ulrike Rösler , Werner Ruile
- 申请人: Thomas Bauer , Günter Kovacs , Ulrike Rösler , Werner Ruile
- 申请人地址: DE
- 专利权人: EPCOS AG
- 当前专利权人: EPCOS AG
- 当前专利权人地址: DE
- 代理机构: Schiff Hardin LLP
- 优先权: DE19849782 19981028
- 国际申请: PCT/EP99/08074 WO 19991026
- 国际公布: WO00/25423 WO 20000504
- 主分类号: H03H9/145
- IPC分类号: H03H9/145 ; H03H9/64
摘要:
In order to reduce scattering losses during the transmission of a surface acoustic wave signal, a surface acoustic wave arrangement has a junction between two mutually offset surface acoustic wave structures designed so that the finger period is reduced in the region of the junction, and varies continuously in the region of the junction.
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