FR2551258B1 - Aimant muni de moyens de correction de champ pour creer un champ uniforme - Google Patents

Aimant muni de moyens de correction de champ pour creer un champ uniforme

Info

Publication number
FR2551258B1
FR2551258B1 FR8313911A FR8313911A FR2551258B1 FR 2551258 B1 FR2551258 B1 FR 2551258B1 FR 8313911 A FR8313911 A FR 8313911A FR 8313911 A FR8313911 A FR 8313911A FR 2551258 B1 FR2551258 B1 FR 2551258B1
Authority
FR
France
Prior art keywords
field
magnet
creating
correction means
uniform
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR8313911A
Other languages
English (en)
Other versions
FR2551258A1 (fr
Inventor
Dominique Tronc
Andrew Setty
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CGR MEV SA
Original Assignee
CGR MEV SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CGR MEV SA filed Critical CGR MEV SA
Priority to FR8313911A priority Critical patent/FR2551258B1/fr
Publication of FR2551258A1 publication Critical patent/FR2551258A1/fr
Application granted granted Critical
Publication of FR2551258B1 publication Critical patent/FR2551258B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/20—Electromagnets; Actuators including electromagnets without armatures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
FR8313911A 1983-08-30 1983-08-30 Aimant muni de moyens de correction de champ pour creer un champ uniforme Expired FR2551258B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8313911A FR2551258B1 (fr) 1983-08-30 1983-08-30 Aimant muni de moyens de correction de champ pour creer un champ uniforme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8313911A FR2551258B1 (fr) 1983-08-30 1983-08-30 Aimant muni de moyens de correction de champ pour creer un champ uniforme

Publications (2)

Publication Number Publication Date
FR2551258A1 FR2551258A1 (fr) 1985-03-01
FR2551258B1 true FR2551258B1 (fr) 1987-05-22

Family

ID=9291886

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8313911A Expired FR2551258B1 (fr) 1983-08-30 1983-08-30 Aimant muni de moyens de correction de champ pour creer un champ uniforme

Country Status (1)

Country Link
FR (1) FR2551258B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3418812A1 (de) * 1984-05-19 1985-11-21 Bruker Medizintechnik Gmbh, 7512 Rheinstetten Kernspintomograph
US4667174A (en) * 1985-08-23 1987-05-19 Resonex, Inc. Magnet assembly for magnetic resonance imaging and method of manufacture
US4791370A (en) * 1985-08-23 1988-12-13 Resonex, Inc. Gradient field structure and method for use with magnetic resonance imaging apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258657A (en) * 1966-06-28 Magnetic apparatus for producing a uniform field
US3686527A (en) * 1969-12-12 1972-08-22 Sanders Associates Inc High-speed synthesized field focus coil
GB2050062B (en) * 1979-05-25 1983-07-20 Emi Ltd Coils for electromagnets with uniform fields
US4456881A (en) * 1982-01-18 1984-06-26 Technicare Corporation Gradient-coil apparatus for a magnetic resonance system
NL8203756A (nl) * 1982-09-28 1984-04-16 Holec Nv Magneetspoeleninrichting.

Also Published As

Publication number Publication date
FR2551258A1 (fr) 1985-03-01

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Legal Events

Date Code Title Description
ST Notification of lapse