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:
May. 03, 2022
Filed:
Jan. 18, 2021
Applicant:
Knowles Electronics, Llc, Itasca, IL (US);
Inventors:
Shubham Shubham, Itasca, IL (US);
Hungchien Lin, Itasca, IL (US);
Assignee:
KNOWLES ELECTRONICS, LLC, Itasca, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
H04R 19/00 (2006.01); H04R 19/04 (2006.01); B81B 3/00 (2006.01); B81C 1/00 (2006.01); H04R 7/06 (2006.01);
U.S. Cl.
CPC ...
H04R 19/04 (2013.01); B81B 3/0072 (2013.01); B81C 1/00666 (2013.01); H04R 7/06 (2013.01); B81B 2201/0257 (2013.01); B81B 2203/019 (2013.01); B81B 2203/0127 (2013.01); B81B 2207/012 (2013.01); H04R 2201/003 (2013.01);
Abstract
An MEMS acoustic transducer includes a substrate having an opening formed therein, a diaphragm comprising a slotted insulative layer, and a first conductive layer. The slotted insulative layer is attached around a periphery thereof to the substrate and over the opening, and the first conductive layer is disposed on a first surface of the slotted insulative layer. A backplate is separated from the diaphragm and disposed on a side of the diaphragm opposite the substrate.