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:
Oct. 12, 2021
Filed:
Mar. 19, 2020
Applicant:
Cirrus Logic International Semiconductor Ltd., Edinburgh, GB;
Inventors:
Roberto Brioschi, Austin, TX (US);
Rkia Achehboune, Edinburgh, GB;
Assignee:
Cirrus Logic, Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 19/00 (2006.01); H04R 19/04 (2006.01); B81B 7/00 (2006.01); B81C 1/00 (2006.01);
U.S. Cl.
CPC ...
H04R 19/04 (2013.01); B81B 7/0061 (2013.01); B81C 1/00309 (2013.01); B81B 2201/0257 (2013.01); B81B 2207/012 (2013.01); H04R 2201/003 (2013.01);
Abstract
The present application describes a MEMS transducer package having a substrate layer which defines a recess. The recess extends in the plane of the substrate layer and defines a channel for directing sound waves that are incident on a side surface of the package substrate.