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.
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
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