Acoustic tweezers
US11731127B2 · kind B2 · utility
1Cited by
5References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 15, 2016 |
| Grant date | Aug 22, 2023 |
| Priority date | — |
| Expiry date | Oct 24, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2015/142
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Electroacoustic device having a transducer including a piezoelectric substrate, first and second electrodes of inverse polarity having respective first and second tracks provided on said substrate, the first and second tracks spiraling around a same center (C), the transducer being configured for generating a swirling ultrasonic surface wave in the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.