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:
Mar. 03, 2020
Filed:
Feb. 07, 2018
Applicant:
Shenzhen Mindray Bio-medical Electronics Co., Ltd., Shenzhen, CN;
Inventors:
Assignee:
Shenzhen Mindray Bio-Medical Electronics Co., Ltd., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 8/00 (2006.01); B06B 1/06 (2006.01);
U.S. Cl.
CPC ...
A61B 8/4483 (2013.01); A61B 8/4281 (2013.01); A61B 8/4444 (2013.01); A61B 8/4494 (2013.01); B06B 1/0607 (2013.01); B06B 1/0622 (2013.01);
Abstract
An ultrasonic transducer may include a piezoelectric wafer and backing layers. The backing layers may include a high impedance backing layer and a low impedance backing layer. The back surface of the piezoelectric wafer may be connected with the front surface of the high impedance backing layer, and the back surface of the high impedance backing layer may be connected with the front surface of the low impedance backing layer.