Electret acoustic transducer array for computerized ultrasound risk evaluation system
US6926672B2 · kind B2 · utility
45Cited by
84References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2002 |
| Grant date | Aug 9, 2005 |
| Priority date | — |
| Expiry date | Apr 12, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B1/0292
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An electret-based acoustic transducer array is provided and may be used in a system for examining tissue. The acoustic transducer array is formed with a substrate that has a multiple distinct cells formed therein. Within each of the distinct cells is positioned an acoustic transducing element formed of an electret material. A conductive membrane is formed over the distinct cells and may be flexible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.