发明名称 ACOUSTIC SENSOR ELEMENT
摘要 A micromechanical acoustic sensor element, which has at least one diaphragm and at least one fixed counter element, the diaphragm being situated in a cavity between a substrate and the counter element and acting as movable electrode of a capacitor system, the counter element acting as first fixed counter electrode of this capacitor system, and at least one through hole being formed in the substrate for the application of sound pressure to the diaphragm. For fixation and strengthening purposes, the counter element is connected to the substrate via at least one support element. The support element is situated in the region of the cavity, and an opening is formed in the diaphragm for the support element.
申请公布号 US2010135123(A1) 申请公布日期 2010.06.03
申请号 US20080598994 申请日期 2008.06.10
申请人 FISCHER FRANK;HOECHST ARNIM 发明人 FISCHER FRANK;HOECHST ARNIM
分类号 H04R19/00 主分类号 H04R19/00
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