Patent · US Expired

RF shield for four-post vertical field magnet used for MRI

US5539314A · kind A · utility

4Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 1, 1994
Grant dateJul 23, 1996
Priority date
Expiry dateDec 1, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R33/422
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A four-post MRI system used in conjunction with a X-wing transmission coil is disclosed in which the post of the system and the upper and lower gradient coil assemblies are covered in a RF reflective material. The covering may be in applied foil such as copper or aluminum, or may be a screen of conductive metal, or may be a spray-on conductive metal.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.