DE3768702D1 - Verfahren zur einstellung von homogenitaetskorrekturwindungen des magnetfeldes eines magnetes. - Google Patents

Verfahren zur einstellung von homogenitaetskorrekturwindungen des magnetfeldes eines magnetes.

Info

Publication number
DE3768702D1
DE3768702D1 DE8787400990T DE3768702T DE3768702D1 DE 3768702 D1 DE3768702 D1 DE 3768702D1 DE 8787400990 T DE8787400990 T DE 8787400990T DE 3768702 T DE3768702 T DE 3768702T DE 3768702 D1 DE3768702 D1 DE 3768702D1
Authority
DE
Germany
Prior art keywords
homogenity
magnet
setting
magnetic field
correction windings
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 - Lifetime
Application number
DE8787400990T
Other languages
English (en)
Inventor
Guy Aubert
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.)
General Electric CGR SA
Original Assignee
General Electric CGR 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 General Electric CGR SA filed Critical General Electric CGR SA
Application granted granted Critical
Publication of DE3768702D1 publication Critical patent/DE3768702D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE8787400990T 1986-05-13 1987-04-29 Verfahren zur einstellung von homogenitaetskorrekturwindungen des magnetfeldes eines magnetes. Expired - Lifetime DE3768702D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8606861A FR2598808B1 (fr) 1986-05-13 1986-05-13 Procede de reglage des correcteurs d'homogeneite du champ magnetique cree par un aimant

Publications (1)

Publication Number Publication Date
DE3768702D1 true DE3768702D1 (de) 1991-04-25

Family

ID=9335176

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787400990T Expired - Lifetime DE3768702D1 (de) 1986-05-13 1987-04-29 Verfahren zur einstellung von homogenitaetskorrekturwindungen des magnetfeldes eines magnetes.

Country Status (5)

Country Link
US (1) US4812765A (de)
EP (1) EP0246136B1 (de)
JP (1) JPH0793209B2 (de)
DE (1) DE3768702D1 (de)
FR (1) FR2598808B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5747324A (en) * 1988-06-10 1998-05-05 Therion Biologics Corporation Self-assembled, defective, non-self-propagating lentivirus particles
US5006804A (en) * 1989-12-04 1991-04-09 General Electric Company Method of optimizing shim coil current selection in magnetic resonance magnets
US6064208A (en) * 1998-04-02 2000-05-16 Picker International, Inc. Two-peak alignment method of field shimming
JP3847079B2 (ja) * 2000-11-21 2006-11-15 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｍｒｉ装置
CN100434038C (zh) * 2004-03-05 2008-11-19 西门子（中国）有限公司 磁共振成像设备磁场的调节装置
JP5670037B2 (ja) * 2009-09-28 2015-02-18 株式会社日立メディコ 静磁場測定器
US10408903B2 (en) 2015-02-20 2019-09-10 Hitachi, Ltd. Shimming system and shimming method including a sensor unit having a pluraly of magnetic field sensors

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60189905A (ja) * 1984-03-09 1985-09-27 Mitsubishi Electric Corp 高均一磁界発生装置
US4656447A (en) * 1984-06-27 1987-04-07 General Electric Company Superconducting filter coils for high homogeneity magnetic field
IL72388A (en) * 1984-07-12 1988-07-31 Elscint Ltd Nmr imaging systems
US4523166A (en) * 1984-10-19 1985-06-11 General Electric Company Optimal field inhomogeneity correction coil operation for NMR magnets
US4680551A (en) * 1985-10-07 1987-07-14 General Electric Company Method for homogenizing a static magnetic field over an arbitrary volume

Also Published As

Publication number Publication date
FR2598808A1 (fr) 1987-11-20
FR2598808B1 (fr) 1993-09-17
EP0246136B1 (de) 1991-03-20
EP0246136A1 (de) 1987-11-19
JPH0793209B2 (ja) 1995-10-09
US4812765A (en) 1989-03-14
JPS62274606A (ja) 1987-11-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8330 Complete renunciation