Magnet array
US8593144B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 2007 |
| Grant date | Nov 26, 2013 |
| Priority date | — |
| Expiry date | Jun 7, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F7/0284
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A magnet array is disclosed which is suitable for inter alia producing a remote field for use in unilateral magnetic resonance. In the “Magnet Array”, two separated magnets, which are magnetized along a substantially same collinear magnetization direction, produce a field with a local maximum centered above and between them. The field produced by the two separated magnets is substantially parallel to the collinear magnetization direction of the two separated magnets. A third magnet is centered between the two separated magnets. The third magnet has a magnetization direction which is substantially parallel to the collinear magnetization direction of the two separated magnets. The third magnet produces a field which is substantially parallel to the collinear magnetization direction of the two separated magnets, and adds to the increasing field below the local maximum point produced by the two separated magnets. The field of the third magnet, which decays with distance, adds to the increasing field below the local maximum point. The position of the third magnet is selected in order to generate a total field which has at least one of its first and second spatial derivatives with respec…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.