Invention Grant
- Patent Title: MEMS device and MEMS vacuum microphone
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Application No.: US15066741Application Date: 2016-03-10
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Publication No.: US09828237B2Publication Date: 2017-11-28
- Inventor: Arnaud Walther , Alfons Dehe , Johann Strasser , Gerhard Metzger-Brueckl
- Applicant: Infineon Technologies AG
- Applicant Address: DE Neubiberg
- Assignee: INFINEON TECHNOLOGIES AG
- Current Assignee: INFINEON TECHNOLOGIES AG
- Current Assignee Address: DE Neubiberg
- Agency: Slater Matsil, LLP
- Main IPC: B81B3/00
- IPC: B81B3/00 ; H04R19/04

Abstract:
In accordance with an embodiment, a MEMS device includes a first membrane element, a second membrane element spaced apart from the first membrane element, a low pressure region between the first and second membrane elements, the low pressure region having a pressure less than an ambient pressure, and a counter electrode structure comprising a conductive layer, which is at least partially arranged in the low pressure region or extends in the low pressure region. The conductive layer includes a segmentation providing an electrical isolation between a first portion of the conductive layer and a second portion of the conductive layer.
Public/Granted literature
- US20170260040A1 MEMS Device and MEMS Vacuum Microphone Public/Granted day:2017-09-14
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