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:
Dec. 06, 2022
Filed:
Aug. 21, 2018
Applicant:
Invensense, Inc., San Jose, CA (US);
Inventors:
Mei-Lin Chan, Milpitas, CA (US);
Nikhil Apte, Palo Alto, CA (US);
Renata Melamud Berger, Palo Alto, CA (US);
Assignee:
InvenSense, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B06B 1/06 (2006.01); G10K 11/00 (2006.01); G10K 11/28 (2006.01); G01H 11/08 (2006.01); H01L 41/09 (2006.01); B06B 1/02 (2006.01); H01L 41/047 (2006.01);
U.S. Cl.
CPC ...
B06B 1/0622 (2013.01); B06B 1/0292 (2013.01); B06B 1/0681 (2013.01); G01H 11/08 (2013.01); G10K 11/002 (2013.01); G10K 11/28 (2013.01); H01L 41/047 (2013.01); H01L 41/0973 (2013.01);
Abstract
An electronic device includes a substrate layer having a front surface and a back surface opposite the front surface, a plurality of ultrasonic transducers formed on the front surface of the substrate layer, wherein the plurality of ultrasonic transducers generate backward waves during operation, the backward waves propagating through the substrate layer, and a plurality of substrate structures formed within the back surface of the substrate layer, the plurality of substrate structures configured to modify the backward waves during the operation.