Shear-type vibration-ultrasonic composite sensor and measuring device
US11841342B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2022 |
| Grant date | Dec 12, 2023 |
| Priority date | — |
| Expiry date | Aug 19, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/023
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present disclosure discloses a shear-type vibration-ultrasonic composite sensor and a measuring device. In the shear-type vibration-ultrasonic composite sensor, a metal matching layer includes an insulating layer arranged on a lower surface and a supporting pillar arranged on an upper surface, the metal matching layer is in contact with a to-be-detected object via the insulating layer, a first negative electrode face of a first normal piezoelectric element is attached to one side of the metal matching layer, a first positive electrode face of the first normal piezoelectric element is attached to a second positive electrode face of a second normal piezoelectric element, a second negative electrode face is attached to a first surface of a backing block, and a second surface of the backing block is provided with a metal housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.