Patent · US Active

Ultrasonic transducer

US10575820B2 · kind B2 · utility

0Cited by

6References

18Claims

0Family size

Assignee

SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS CO., LTD. · CN

Inventors

Kang SI · Nanhu, CN
Fei Wu · New Taipei, TW
Zhenyu Chen · Beijing, CN

Key dates

Filing date	Feb 7, 2018
Grant date	Mar 3, 2020
Priority date	—
Expiry date	Feb 7, 2038

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB06B1/0622
WIPO fieldMedical technology
WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.