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. 19, 2022
Filed:
May. 08, 2019
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Jessica Liu Strohmann, Cupertino, CA (US);
Yipeng Lu, Davis, CA (US);
Hrishikesh Vijaykumar Panchawagh, Cupertino, CA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/043 (2006.01); B06B 1/06 (2006.01); H01L 27/32 (2006.01); G06V 40/13 (2022.01); H01L 41/187 (2006.01); H01L 41/193 (2006.01);
U.S. Cl.
CPC ...
G06F 3/043 (2013.01); B06B 1/0611 (2013.01); G06V 40/1306 (2022.01); H01L 27/323 (2013.01); H01L 41/1875 (2013.01); H01L 41/1876 (2013.01); H01L 41/193 (2013.01);
Abstract
An ultrasonic sensor includes a substrate, a platen and an acoustic stack disposed between the substrate and the platen, including at least one piezoelectric layer. The ultrasonic transducer exhibits a signal-to-noise ratio of at least 4 over a frequency range of at least 9 to 16 MHz.