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:
Jan. 13, 2026
Filed:
Dec. 01, 2023
Aac Kaitai Technologies (Wuhan) Co., Ltd, Hubei, CN;
AAC Kaital Technologies (Wuhan) CO., LTD, Wuhan, CN;
Abstract
A Micro-Electro-Mechanical System (MEMS) speaker is provided including only a substrate enclosing a cavity, a piezoelectric diaphragm disposed above the substrate and covering the cavity, and a flexible structure layer covering the piezoelectric diaphragm. Both the piezoelectric diaphragm and the flexible structure layer are complete sheet structures, a young modulus of the flexible structure layer is less than a young modulus of the piezoelectric diaphragm, and the young modulus of the flexible structure layer is in a range of 100 MPa to 50 GPa. The MEMS speaker in the present disclosure does away with a harder structure layer and adopts a softer flexible structure layer, which better enhances the displacement and has a more prominent acoustic performance.