Magnetic resonance detection coil that is immune to environmental noise
US6054856A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1998 |
| Grant date | Apr 25, 2000 |
| Priority date | — |
| Expiry date | Apr 1, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/343
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A noise immune gradiometer split shield coil for use in magnetic resonance etection, such as in Nuclear Magnetic Resonance (NMR) and Nuclear Quadrupole Resonance (NQR). The coil is formed by a transmission line configured as a magnetic field gradiometer. The transmission line has a conductor which is electrically continuous through the coil, and a shield which is split at a position that causes the gradiometer to be electrically balanced. In this manner, the coil provides a high degree of internal shielding to reduce the effects of environmental noise pick-up. Such coils are also less sensitive to the effects of nearby conducting media.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.