发明名称 |
SAW component used e.g. for a filter or duplexer for a mobile radio telephone system comprises a piezoelectric substrate, a converter electrode arranged on the substrate and having a metallization, and a thin compensation layer |
摘要 |
A SAW component comprises a piezoelectric substrate (S), a converter electrode arranged on the substrate and having a metallization (M) consisting of one or more metals having an average specific density of at least 50 % above that of aluminum, and a thin compensation layer (K) of a material with a temperature dependency of the elastic coefficient which interacts with the temperature path of the substrate. The compensation layer partially or completely reduces the temperature path over the metallization.
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申请公布号 |
DE10302633(A1) |
申请公布日期 |
2004.07.29 |
申请号 |
DE20031002633 |
申请日期 |
2003.01.23 |
申请人 |
EPCOS AG |
发明人 |
HAUSER, MARKUS;RUILE, WERNER;WOLFF, ULRICH;ROESLER, ULRIKE;KNAUER, ULRICH;LEIDL, ANTON;SCHOLL, GERD |
分类号 |
H03H3/10;H03H9/02;H03H9/145;(IPC1-7):H03H9/145;H03H9/64;H03H9/72 |
主分类号 |
H03H3/10 |
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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