Dual frequency ultrasound transducer
US11169265B2 · kind B2 · utility
2Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2018 |
| Grant date | Nov 9, 2021 |
| Priority date | — |
| Expiry date | Dec 28, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S7/52038
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A dual frequency ultrasound transducer includes a high frequency (HF) transducer and a low frequency (LF) transducer that is positioned behind the high frequency transducer. An intermediate layer is positioned between the low frequency transducer and the high frequency transducer to absorb high frequency ultrasound signals. An alignment feature on the low frequency transducer is positioned with respect to a fiducial that is marked at a known position with respect to high frequency transducer elements of the HF transducer to align low frequency transducer elements of the LF transducer with the HF transducer elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.