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Patent Searching and Data


Title:
CONDENSER MEMS MICROPHONE AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2018/010065
Kind Code:
A1
Abstract:
A condenser MEMS microphone comprises: a substrate (32); a bottom plate (12) placed on the substrate (32); and a top plate (11) placed above the bottom plate (12) and spaced from the bottom plate (12), wherein the top plate (11) is torsional with respect to a first torsional axis (15) and is divided into a first part (13) and a second part (14) by the first torsional axis (15), the first part (13) and the second part (14) form two condensers with the bottom plate (12), and a first group of acoustic holes (19) are provided in the first part (13) of the top plate (11). The bottom plate (12) is torsional with respect to a second torsional axis (18) and is divided into a third part (16) and a fourth part (17) by the second torsional axis (18). The third part (16) and the fourth part (17) correspond to the first part (13) and the second part (14), respectively. A second group of acoustic holes (20) are provided in the fourth part (17) of the bottom plate (12).

Inventors:
ZOU QUANBO (CN)
Application Number:
PCT/CN2016/089638
Publication Date:
January 18, 2018
Filing Date:
July 11, 2016
Export Citation:
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Assignee:
GOERTEK INC (CN)
International Classes:
H04R19/04
Foreign References:
CN105051909A2015-11-11
JP2014149234A2014-08-21
CN104297524A2015-01-21
CN101742389A2010-06-16
CN103364589A2013-10-23
CN101242682A2008-08-13
Attorney, Agent or Firm:
BEYOND TALENT PATENT AGENT FIRM (CN)
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