Patent · US Active

Embedded electrode tuning fork

US11768178B2 · kind B2 · utility

0Cited by

19References

20Claims

0Family size

Assignee

Baker Hughes Oilfield Operations LLC · US

Inventors

Rocco DiFoggio · Houston, US
Yi Liu · Houston, US

Key dates

Filing date	Feb 28, 2020
Grant date	Sep 26, 2023
Priority date	—
Expiry date	Jul 26, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG01N2291/0427
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A sensor for obtaining downhole data includes a first piezoelectric layer. The sensor also includes a second piezoelectric layer having a trench extending a depth below a surface of the second piezoelectric layer. The sensor also includes an electrode positioned within the trench. The first piezoelectric layer is directly coupled to the second piezoelectric layer.

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