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GB2184243B - Electromagnet arrangements - Google Patents

Electromagnet arrangements

Info

Publication number
GB2184243B
GB2184243B GB8628580A GB8628580A GB2184243B GB 2184243 B GB2184243 B GB 2184243B GB 8628580 A GB8628580 A GB 8628580A GB 8628580 A GB8628580 A GB 8628580A GB 2184243 B GB2184243 B GB 2184243B
Authority
GB
United Kingdom
Prior art keywords
electromagnet arrangements
electromagnet
arrangements
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
GB8628580A
Other versions
GB8628580D0 (en
GB2184243A (en
Inventor
John Vincent Mario Mcginley
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.)
Philips Design Ltd
Original Assignee
Picker International 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
Priority claimed from GB858530295A external-priority patent/GB8530295D0/en
Application filed by Picker International Ltd filed Critical Picker International Ltd
Priority to GB8628580A priority Critical patent/GB2184243B/en
Publication of GB8628580D0 publication Critical patent/GB8628580D0/en
Publication of GB2184243A publication Critical patent/GB2184243A/en
Application granted granted Critical
Publication of GB2184243B publication Critical patent/GB2184243B/en
Expired 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
    • G01R33/3873—Compensation of inhomogeneities using ferromagnetic bodies ; Passive shimming

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
GB8628580A 1985-12-09 1986-11-28 Electromagnet arrangements Expired GB2184243B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8628580A GB2184243B (en) 1985-12-09 1986-11-28 Electromagnet arrangements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB858530295A GB8530295D0 (en) 1985-12-09 1985-12-09 Electromagnet arrangements
GB8628580A GB2184243B (en) 1985-12-09 1986-11-28 Electromagnet arrangements

Publications (3)

Publication Number Publication Date
GB8628580D0 GB8628580D0 (en) 1987-01-07
GB2184243A GB2184243A (en) 1987-06-17
GB2184243B true GB2184243B (en) 1989-12-20

Family

ID=26290087

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8628580A Expired GB2184243B (en) 1985-12-09 1986-11-28 Electromagnet arrangements

Country Status (1)

Country Link
GB (1) GB2184243B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988008126A1 (en) * 1987-04-15 1988-10-20 Oxford Magnet Technology Limited Magnetic field generating apparatus
FR2623324A1 (en) * 1987-11-13 1989-05-19 Thomson Cgr NMR IMAGING DEVICE, INHOMOGENEITY CORRECTION METHOD AND MAGNET PRODUCTION METHOD IMPLEMENTED IN THE DEVICE
GB8808334D0 (en) * 1988-04-08 1988-05-11 Magnex Scient Ltd Electromagnets
JPH0690975B2 (en) * 1988-06-03 1994-11-14 三菱電機株式会社 Magnetic shim for magnetic field correction
US5001447A (en) * 1989-08-23 1991-03-19 General Electric Company Ferromagnetic compensation rings for high field strength magnets
FR2667948B1 (en) * 1990-10-12 1993-04-16 Magnetech MAGNETIC SYSTEM WITH HOMOGENEOUS FIELD OF HIGH ACCESSIBILITY.
GB2276945B (en) * 1993-04-08 1997-02-26 Oxford Magnet Tech Improvements in or relating to MRI magnets
GB2295673B (en) * 1994-11-29 1999-04-28 Oxford Magnet Tech Improvements in or relating to cryogenic mri magnets

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2039055A (en) * 1978-11-20 1980-07-30 Damadian R V Nuclear magnetic resonance scanning
EP0216404A1 (en) * 1985-08-26 1987-04-01 Koninklijke Philips Electronics N.V. Magnetic resonance imaging apparatus including-homogenizing magnetic elements

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2039055A (en) * 1978-11-20 1980-07-30 Damadian R V Nuclear magnetic resonance scanning
EP0216404A1 (en) * 1985-08-26 1987-04-01 Koninklijke Philips Electronics N.V. Magnetic resonance imaging apparatus including-homogenizing magnetic elements

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MAG RES IN MEDICINE 1 (1 *

Also Published As

Publication number Publication date
GB8628580D0 (en) 1987-01-07
GB2184243A (en) 1987-06-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee