GB2586493B - Method and apparatus for shimming a superconducting magnet. - Google Patents

Method and apparatus for shimming a superconducting magnet. Download PDF

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Publication number
GB2586493B
GB2586493B GB1912013.8A GB201912013A GB2586493B GB 2586493 B GB2586493 B GB 2586493B GB 201912013 A GB201912013 A GB 201912013A GB 2586493 B GB2586493 B GB 2586493B
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United Kingdom
Prior art keywords
shimming
superconducting magnet
superconducting
magnet
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.)
Active
Application number
GB1912013.8A
Other versions
GB201912013D0 (en
GB2586493A (en
Inventor
John Disney Mallet Michael
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.)
Siemens Healthcare Ltd
Original Assignee
Siemens Healthcare 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 Siemens Healthcare Ltd filed Critical Siemens Healthcare Ltd
Priority to GB1912013.8A priority Critical patent/GB2586493B/en
Publication of GB201912013D0 publication Critical patent/GB201912013D0/en
Publication of GB2586493A publication Critical patent/GB2586493A/en
Application granted granted Critical
Publication of GB2586493B publication Critical patent/GB2586493B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material
    • 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
    • G01R33/3802—Manufacture or installation of magnet assemblies; Additional hardware for transportation or installation of the magnet assembly or for providing mechanical support to components of the magnet assembly
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00—Superconducting magnets; Superconducting coils

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
GB1912013.8A 2019-08-21 2019-08-21 Method and apparatus for shimming a superconducting magnet. Active GB2586493B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1912013.8A GB2586493B (en) 2019-08-21 2019-08-21 Method and apparatus for shimming a superconducting magnet.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1912013.8A GB2586493B (en) 2019-08-21 2019-08-21 Method and apparatus for shimming a superconducting magnet.

Publications (3)

Publication Number Publication Date
GB201912013D0 GB201912013D0 (en) 2019-10-02
GB2586493A GB2586493A (en) 2021-02-24
GB2586493B true GB2586493B (en) 2021-08-18

Family

ID=68099500

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1912013.8A Active GB2586493B (en) 2019-08-21 2019-08-21 Method and apparatus for shimming a superconducting magnet.

Country Status (1)

Country Link
GB (1) GB2586493B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5001447A (en) * 1989-08-23 1991-03-19 General Electric Company Ferromagnetic compensation rings for high field strength magnets
JPH03297445A (en) * 1990-04-17 1991-12-27 Toshiba Corp Magnetic resonance imaging apparatus
JP2000051178A (en) * 1998-08-11 2000-02-22 Kobe Steel Ltd Superconductive magnet device
US20080191698A1 (en) * 2007-02-13 2008-08-14 Kabushiki Kaisha Toshiba MRI apparatus, NMR analyzer, and gantry
US20100164675A1 (en) * 2006-08-29 2010-07-01 Michael Eberler Method for producing a cylindrical radio-frequency shield of a cylindrical gradient coil for a magnetic resonance system
US20130314089A1 (en) * 2011-01-13 2013-11-28 Toshiba Medical Systems Corporation Magnetic resonance imaging apparatus
US20150346297A1 (en) * 2012-12-25 2015-12-03 Hitachi Medical Corporation Gradient Magnetic Field Coil Device and Magnetic Resonance Imaging Device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5001447A (en) * 1989-08-23 1991-03-19 General Electric Company Ferromagnetic compensation rings for high field strength magnets
JPH03297445A (en) * 1990-04-17 1991-12-27 Toshiba Corp Magnetic resonance imaging apparatus
JP2000051178A (en) * 1998-08-11 2000-02-22 Kobe Steel Ltd Superconductive magnet device
US20100164675A1 (en) * 2006-08-29 2010-07-01 Michael Eberler Method for producing a cylindrical radio-frequency shield of a cylindrical gradient coil for a magnetic resonance system
US20080191698A1 (en) * 2007-02-13 2008-08-14 Kabushiki Kaisha Toshiba MRI apparatus, NMR analyzer, and gantry
US20130314089A1 (en) * 2011-01-13 2013-11-28 Toshiba Medical Systems Corporation Magnetic resonance imaging apparatus
US20150346297A1 (en) * 2012-12-25 2015-12-03 Hitachi Medical Corporation Gradient Magnetic Field Coil Device and Magnetic Resonance Imaging Device

Also Published As

Publication number Publication date
GB201912013D0 (en) 2019-10-02
GB2586493A (en) 2021-02-24

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