Shielded ultrasound transducer and imaging system employing the same
US10888898B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2018 |
| Grant date | Jan 12, 2021 |
| Priority date | — |
| Expiry date | Sep 20, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B2201/76
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An ultrasound transducer with at least one piezoelectric element configured to convert received acoustic signals into an electric potential, a shield connectable to ground and overlying the at least one piezoelectric element through which the acoustic signals pass before being received by the at least one piezoelectric element, the shield having acoustic conductivity and electrical attenuation characteristics that enable the acoustic signals to propagate therethrough while reducing a 100 volt per centimeter electric field to below a threshold level so that the piezoelectric element is exposed to a threshold electrical potential at least less than or equal to 10 μV, and a housing accommodating the at least one piezoelectric element and shield.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.