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:
Jul. 09, 2019
Filed:
Jan. 25, 2016
Applicant:
Cirrus Logic International Semiconductor Ltd., Edinburgh, GB;
Inventors:
Scott Lyall Cargill, Edinburgh, GB;
Colin Robert Jenkins, Linlithgow, GB;
Euan James Boyd, Edinburgh, GB;
Richard Ian Laming, Edinburgh, GB;
Assignee:
Cirrus Logic, Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B81C 1/00 (2006.01); H04R 19/00 (2006.01); H04R 19/04 (2006.01); B81B 3/00 (2006.01);
U.S. Cl.
CPC ...
B81C 1/00666 (2013.01); B81B 3/0021 (2013.01); B81B 3/0072 (2013.01); B81C 1/00182 (2013.01); H04R 19/005 (2013.01); H04R 19/04 (2013.01); B81B 2201/0257 (2013.01); B81B 2203/0127 (2013.01); H01L 2224/16225 (2013.01); H01L 2224/48091 (2013.01); H01L 2224/48227 (2013.01); H01L 2924/15151 (2013.01);
Abstract
The application describes MEMS transducer having a flexible membrane and which seeks to alleviate and/or redistribute stresses within the membrane layer. A membrane having a first/active region and a second/inactive region is described.