DE69217097T2 - Apparat zur Erzeugung eines Magnetfeldes - Google Patents

Apparat zur Erzeugung eines Magnetfeldes

Info

Publication number
DE69217097T2
DE69217097T2 DE69217097T DE69217097T DE69217097T2 DE 69217097 T2 DE69217097 T2 DE 69217097T2 DE 69217097 T DE69217097 T DE 69217097T DE 69217097 T DE69217097 T DE 69217097T DE 69217097 T2 DE69217097 T2 DE 69217097T2
Authority
DE
Germany
Prior art keywords
generating
magnetic field
magnetic
field
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 - Fee Related
Application number
DE69217097T
Other languages
English (en)
Other versions
DE69217097D1 (de
Inventor
Ian Leitch Mcdougall
Robert Carter Hawkes
Peter Hanley
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.)
Oxford Instruments UK Ltd
Original Assignee
Oxford Instruments UK Ltd
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 Oxford Instruments UK Ltd filed Critical Oxford Instruments UK Ltd
Application granted granted Critical
Publication of DE69217097D1 publication Critical patent/DE69217097D1/de
Publication of DE69217097T2 publication Critical patent/DE69217097T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Developing Agents For Electrophotography (AREA)
DE69217097T 1991-03-13 1992-03-10 Apparat zur Erzeugung eines Magnetfeldes Expired - Fee Related DE69217097T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919105286A GB9105286D0 (en) 1991-03-13 1991-03-13 Magnetic field generating apparatus

Publications (2)

Publication Number Publication Date
DE69217097D1 DE69217097D1 (de) 1997-03-13
DE69217097T2 true DE69217097T2 (de) 1997-09-04

Family

ID=10691481

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69217097T Expired - Fee Related DE69217097T2 (de) 1991-03-13 1992-03-10 Apparat zur Erzeugung eines Magnetfeldes

Country Status (5)

Country Link
US (1) US5307016A (de)
EP (1) EP0503881B1 (de)
JP (1) JP3222177B2 (de)
DE (1) DE69217097T2 (de)
GB (1) GB9105286D0 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6828891B2 (en) 2002-07-25 2004-12-07 Ge Medical Systems Global Technology Company, Llc Method for assembling magnetic members for magnetic resonance imaging magnetic field generator
US6664878B1 (en) 2002-07-26 2003-12-16 Ge Medical Systems Global Technology Company, Llc Method for assembling magnetic members for magnetic resonance imaging magnetic field generator

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8321236D0 (en) * 1983-08-05 1983-09-07 Technicare Corp Gradient null displacement coil
FR2571496B1 (fr) * 1984-10-05 1986-12-19 Commissariat Energie Atomique Systeme de bobines de production de champs additionnels pour l'obtention, dans un aimant comportant des pieces polaires de polarisation pour imagerie par resonance magnetique nucleaire, de champs de polarisation a gradients constants
GB8500248D0 (en) * 1985-01-04 1985-02-13 Oxford Magnet Tech Solenoids
NL8502340A (nl) * 1985-08-26 1987-03-16 Philips Nv Magnetisch resonantie apparaat met veld homogeniserende magnetische elementen.
JPH0787134B2 (ja) * 1986-02-14 1995-09-20 コ−ネリウス ルング 誘導性及び容量性の特性を有する電気部品
DE3628161A1 (de) * 1986-08-20 1988-02-25 Spectrospin Ag Vorrichtung zum kompensieren von zeitvarianten feldstoerungen in magnetfeldern
NL8701948A (nl) * 1987-08-19 1989-03-16 Philips Nv Magnetisch resonantie-apparaat met verbeterd gradient spoelenstelsel.
EP0372096A1 (de) * 1988-11-28 1990-06-13 Siemens Aktiengesellschaft Gradientenspulen-System für einen Kernspintomographen
US5036282A (en) * 1989-06-16 1991-07-30 Picker International, Inc. Biplanar gradient coil for magnetic resonance imaging systems

Also Published As

Publication number Publication date
GB9105286D0 (en) 1991-04-24
JP3222177B2 (ja) 2001-10-22
EP0503881B1 (de) 1997-01-29
US5307016A (en) 1994-04-26
JPH0622921A (ja) 1994-02-01
DE69217097D1 (de) 1997-03-13
EP0503881A2 (de) 1992-09-16
EP0503881A3 (en) 1992-12-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee