The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 01, 2025
Filed:
Dec. 29, 2022
Aac Acoustic Technologies (Shenzhen) Co., Ltd., Shenzhen, CN;
Linlin Wang, Shenzhen, CN;
Rui Zhang, Shenzhen, CN;
Kaijie Wang, Shenzhen, CN;
Zhuanzhuan Zhao, Shenzhen, CN;
Minh Ngoc Nguyen, Bac Ninh, VN;
AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD., Shenzhen, CN;
Abstract
A MEMS microphone, includes a substrate with a back cavity, and a capacitive system located on the substrate, including a back plate and a diaphragm opposite to the back plate, wherein the back plate includes a body portion, a fixing portion connected with the body portion and the substrate, and a plurality of strip reinforcing ribs, the reinforcing ribs are protruded from the body portion. Compared with the related art, the MEMS microphone disclosed by the present disclosure could improve the strength of the back plate.