发明名称 Miniature silicon condenser microphone
摘要 A silicon condenser microphone package includes a transducer unit, a substrate, and a cover. The substrate includes an upper surface transducer unit is attached to the upper surface of the substrate and overlaps at least a portion of the recess wherein a back volume of the transducer unit is formed between the transducer unit and the substrate. The cover is placed over the transducer unit and either the cover or the substrate includes an aperture.
申请公布号 US7242089(B2) 申请公布日期 2007.07.10
申请号 US20050112043 申请日期 2005.04.22
申请人 KNOWLES ELECTRONICS, LLC 发明人 MINERVINI ANTHONY D.
分类号 H01L23/12;H04R1/02;B81B7/00;H04R9/08;H04R19/01;H04R19/04 主分类号 H01L23/12
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