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:
Aug. 10, 2021
Filed:
Aug. 20, 2019
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Jessica Liu Strohmann, Cupertino, CA (US);
Hrishikesh Vijaykumar Panchawagh, Cupertino, CA (US);
Yipeng Lu, Davis, CA (US);
Soon Joon Yoon, San Jose, CA (US);
Kostadin Dimitrov Djordjev, Los Gatos, CA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); G06F 3/042 (2006.01); H01L 41/253 (2013.01); H01L 41/187 (2006.01); H01L 41/29 (2013.01);
U.S. Cl.
CPC ...
G06K 9/0002 (2013.01); G06K 9/00087 (2013.01); H01L 41/187 (2013.01); H01L 41/253 (2013.01); H01L 41/29 (2013.01);
Abstract
A device and method for producing said device comprising an improved ultrasonic biometric sensor is disclosed. The ultrasonic biometric sensor is composed of a pixel array and multiple copolymer layers which are polarized in such a fashion as to increase the transmitting pressure and receiving sensitivity of the sensor. The copolymer layers may be polarized in the same direction, or in opposite directions, depending on the desired functionality.