NMR imaging systems
US4749948A · kind A · utility
11Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 1985 |
| Grant date | Jun 7, 1988 |
| Priority date | — |
| Expiry date | Jun 27, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/24
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An automatic shimming system for correcting inhomogeneties in magnetic resonance magnetic fields. The static magnetic field is mapped using three dimensional phantoms that comprise a plurality of samples including at least an element having non-zero nuclear magnetic moments spatially distributed to enable uniquely locating each sample with only two locating gradients.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.