发明名称 |
Surface acoustic wave filter and surface acoustic wave filter apparatus |
摘要 |
The present invention relates to a surface acoustic wave filter in which a plurality of pairs of comb electrode patterns are formed on an upper surface of a chip substrate made of a piezoelectric material. The surface acoustic wave filter includes a high-resistance pattern formed to surround a peripheral portion of the chip substrate on an upper surface side thereof, and a plurality of patterns formed to connect the high-resistance pattern to the respective comb electrode patterns.
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申请公布号 |
US2002043891(A1) |
申请公布日期 |
2002.04.18 |
申请号 |
US20010985898 |
申请日期 |
2001.11.06 |
申请人 |
TAKAHASHI YOSHIHIRO;TSUDA TADAAKI;YAMAMOTO YASUSHI;KAWAHARA HIROSHI |
发明人 |
TAKAHASHI YOSHIHIRO;TSUDA TADAAKI;YAMAMOTO YASUSHI;KAWAHARA HIROSHI |
分类号 |
H03H9/145;H03H9/02;H03H9/25;(IPC1-7):H01L41/04 |
主分类号 |
H03H9/145 |
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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