Invention Grant
- Patent Title: Packaged microphone with reduced parasitics
- Patent Title (中): 封装麦克风具有减少的寄生效应
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Application No.: US13357158Application Date: 2012-01-24
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Publication No.: US08842859B2Publication Date: 2014-09-23
- Inventor: Michael D. Delaus , Kathleen O'Donnell
- Applicant: Michael D. Delaus , Kathleen O'Donnell
- Applicant Address: US CA San Jose
- Assignee: Invensense, Inc.
- Current Assignee: Invensense, Inc.
- Current Assignee Address: US CA San Jose
- Agency: IPxLaw Group LLP
- Agent Maryam Imam
- Main IPC: H04R25/00
- IPC: H04R25/00 ; B81C1/00

Abstract:
A packaged microphone has a base with a top face, a lid coupled to the base and forming an interior, and a MEMS microphone (i.e., a die or chip) secured to the top face of the base within the interior. The packaged microphone also includes a circuit chip secured to the top face of the base within the interior. The circuit chip has a top surface with a top pad, a bottom surface with a bottom pad, and a via. The bottom pad is electrically connected to the base, and the via electrically connects the top pad with the bottom pad. A wire bond is connected between the MEMS microphone and the top pad on the circuit chip. The MEMS microphone is electrically connected to the bottom pad and the base through the via.
Public/Granted literature
- US20120189144A1 Packaged Microphone with Reduced Parasitics Public/Granted day:2012-07-26
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