Title:
MEMS MICROPHONE
Document Type and Number:
WIPO Patent Application WO/2024/045283
Kind Code:
A1
Abstract:
Provided in the present invention is a MEMS microphone, comprising a base having a back chamber, and a capacitance system arranged on the base, wherein the capacitance system comprises a back plate, and a diaphragm arranged opposite to the back plate; the back plate comprises a body portion and a fixing portion connected to the body portion and the base; and the back plate is further provided with several strip-shaped reinforcing ribs protruding from the body portion. Compared with the prior art, in the MEMS microphone provided by the present invention, the strength of the back plate can be improved.
Inventors:
WANG LINLIN (CN)
ZHANG RUI (CN)
WANG KAIJIE (CN)
ZHAO ZHUANZHUAN (CN)
NGUYEN NGOC MINH (CN)
ZHANG RUI (CN)
WANG KAIJIE (CN)
ZHAO ZHUANZHUAN (CN)
NGUYEN NGOC MINH (CN)
Application Number:
PCT/CN2022/125144
Publication Date:
March 07, 2024
Filing Date:
October 13, 2022
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
International Classes:
H04R19/04; H04R19/00
Foreign References:
| CN111131987A | 2020-05-08 | |||
| CN104105040A | 2014-10-15 | |||
| CN104853300A | 2015-08-19 | |||
| CN102264019A | 2011-11-30 | |||
| CN102244832A | 2011-11-16 | |||
| CN206164843U | 2017-05-10 | |||
| US20190110126A1 | 2019-04-11 |
Attorney, Agent or Firm:
SHENZHEN SANYONG INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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