Electroacoustic imaging methods and apparatus
US6645144B1 · kind B1 · utility
32Cited by
14References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 2001 |
| Grant date | Nov 11, 2003 |
| Priority date | — |
| Expiry date | May 18, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/044
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods are disclosed for obtaining electroacoustic images of specimens. One method includes applying an acoustic wave to a specimen and forming an image based on an electroacoustically induced electric field or voltage. In another method, an electric field or voltage is applied to a specimen and an electroacoustically induced acoustic wave is measured to form an image. Apparatus suitable for obtaining electroacoustc images are disclosed as well as methods for distinguishing image contributions from the electroacoustic, thermoacoustic, and Hall effects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.