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:
Jun. 16, 2020
Filed:
Aug. 17, 2017
Applicant:
Infineon Technologies Ag, Neubiberg, DE;
Inventors:
Alfons Dehe, Reutlingen, DE;
Manuel Dorfmeister, Vienna, AT;
Ulrich Schmid, Vienna, AT;
Michael Schneider, Vienna, AT;
Assignee:
INFINEON TECHNOLOGIES AG, Neubiberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01H 11/08 (2006.01); H04R 17/02 (2006.01); H04R 31/00 (2006.01); H01L 41/083 (2006.01);
U.S. Cl.
CPC ...
G01H 11/08 (2013.01); H01L 41/0836 (2013.01); H04R 17/025 (2013.01); H04R 31/00 (2013.01);
Abstract
An acoustic wave sensor may include: a continuous membrane deflectable by acoustic waves to be detected, and a piezoelectric layer provided on the membrane and including a plurality of piezoelectric layer portions respectively equipped with at least two individual electric contact structures configured to electrically connect the respective piezoelectric layer portions. Electric contact structures associated with different piezoelectric layer portions may be separated from each other.