发明名称 |
Pressure wave sensor |
摘要 |
In a pressure wave sensor comprising a cylindrical housing having a piezo electric element disposed therein, which is forced by a spring against the front face of the housing, the front face consists of a metal foil and a pressure pad consisting of a soft metal is disposed between the piezo electric element and the metal foil, the spring force being sufficiently large to load the pressure pad beyond its yield limit.
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申请公布号 |
US6127770(A) |
申请公布日期 |
2000.10.03 |
申请号 |
US19980106338 |
申请日期 |
1998.06.29 |
申请人 |
FORSCHUNGSZENTRUM KARLSRAHE GMBH |
发明人 |
HAUSER, WOLFGANG;GOETZ, ROBERT |
分类号 |
G01H1/00;(IPC1-7):H01L41/08 |
主分类号 |
G01H1/00 |
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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