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:
Apr. 28, 2020
Filed:
Dec. 09, 2016
Applicant:
Sensus Usa, Inc., Morrisville, NC (US);
Inventor:
Justin Rorke Buckland, Cambridge, GB;
Assignee:
Sensus USA, Inc., Morrisville, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B06B 1/06 (2006.01); H01L 41/04 (2006.01); G01F 1/66 (2006.01); H01L 41/277 (2013.01);
U.S. Cl.
CPC ...
B06B 1/0648 (2013.01); B06B 1/0677 (2013.01); G01F 1/662 (2013.01); H01L 41/277 (2013.01);
Abstract
Transducers are provided including a piezoelectric block having first and second opposing surfaces; a first non-piezoelectric layer on the first surface of the piezoelectric block, the first layer including a low density material having a first thickness; and a second non-piezoelectric layer on the second surface of the piezoelectric block, the second layer including a high density material having a second thickness, the second thickness being different from the first thickness and being at least two times the first thickness. Related devices and methods are also provided.