发明名称 |
Electrical Module Comprising a Mems Microphone |
摘要 |
An electrical module includes a base plate having an acoustic channel that opens into a first cavity at a first end and that is closed off by a microphone chip at a second end. The microphone chip borders a second cavity that opens to an exterior of the electrical module. The second cavity is separated from the acoustic channel by the microphone chip.
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申请公布号 |
US2008247585(A1) |
申请公布日期 |
2008.10.09 |
申请号 |
US20060816964 |
申请日期 |
2006.02.08 |
申请人 |
EPCOS AG |
发明人 |
LEIDL ANTON;PAHL WOLFGANG;WOLFF ULRICH |
分类号 |
H04R17/02;H04R1/22;H04R19/00 |
主分类号 |
H04R17/02 |
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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