IL90670A - Low thermal conductance support for a radiation shield in an mr magnet - Google Patents

Low thermal conductance support for a radiation shield in an mr magnet

Info

Publication number
IL90670A
IL90670A IL90670A IL9067089A IL90670A IL 90670 A IL90670 A IL 90670A IL 90670 A IL90670 A IL 90670A IL 9067089 A IL9067089 A IL 9067089A IL 90670 A IL90670 A IL 90670A
Authority
IL
Israel
Prior art keywords
magnet
low thermal
radiation shield
thermal conductance
support
Prior art date
Application number
IL90670A
Other languages
English (en)
Other versions
IL90670A0 (en
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IL90670A0 publication Critical patent/IL90670A0/xx
Publication of IL90670A publication Critical patent/IL90670A/xx

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
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Containers, Films, And Cooling For Superconductive Devices (AREA)
IL90670A 1988-07-05 1989-06-20 Low thermal conductance support for a radiation shield in an mr magnet IL90670A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/215,111 US4935714A (en) 1988-07-05 1988-07-05 Low thermal conductance support for a radiation shield in a MR magnet

Publications (2)

Publication Number Publication Date
IL90670A0 IL90670A0 (en) 1990-01-18
IL90670A true IL90670A (en) 1992-07-15

Family

ID=22801702

Family Applications (1)

Application Number Title Priority Date Filing Date
IL90670A IL90670A (en) 1988-07-05 1989-06-20 Low thermal conductance support for a radiation shield in an mr magnet

Country Status (5)

Country Link
US (1) US4935714A (xx)
EP (1) EP0350262B1 (xx)
JP (1) JPH0284936A (xx)
DE (1) DE68907276T2 (xx)
IL (1) IL90670A (xx)

Families Citing this family (37)

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Publication number Priority date Publication date Assignee Title
US5424643A (en) * 1989-06-16 1995-06-13 Picker International, Inc. Magnetic resonance gradient sheet coils
JP2929622B2 (ja) * 1989-11-14 1999-08-03 住友電気工業株式会社 酸化物超電導導体の使用方法
US5045826A (en) * 1990-04-05 1991-09-03 General Electric Company Actively shielded magnetic resonance magnet without cryogens
US5113165A (en) * 1990-08-03 1992-05-12 General Electric Company Superconductive magnet with thermal diode
US5233328A (en) * 1990-09-17 1993-08-03 Fmc Corporation Method for processing compacted data
AU4374993A (en) * 1992-07-10 1994-01-31 Doty Scientific, Inc. Solenoidal, octopolar, transverse gradient coils
US5317298A (en) * 1993-01-04 1994-05-31 General Electric Company Apparatus and method for passive shimming of a superconducting magnet which images human limbs
US5554929A (en) * 1993-03-12 1996-09-10 Doty Scientific, Inc. Crescent gradient coils
US5530355A (en) * 1993-05-13 1996-06-25 Doty Scientific, Inc. Solenoidal, octopolar, transverse gradient coils
US5381122A (en) * 1994-01-14 1995-01-10 General Electric Company Open MRI magnet having a support structure
US5448214A (en) * 1994-06-15 1995-09-05 General Electric Company Open MRI magnet with superconductive shielding
US5446433A (en) * 1994-09-21 1995-08-29 General Electric Company Superconducting magnet having a shock-resistant support structure
US6281773B1 (en) * 1998-07-17 2001-08-28 Picker International, Inc. Magnetizing magnet
US6043729A (en) * 1998-11-13 2000-03-28 General Electric Company Tube suspension assembly for superconductive magnets
US6476464B1 (en) * 1999-02-16 2002-11-05 Ixion, Llc Low resistance hermetic lead structure
DE19933352C1 (de) * 1999-07-16 2001-02-08 Karlsruhe Forschzent Axialer, kryotechnisch geeigneter Potentialtrenner
JP3939489B2 (ja) * 2000-08-28 2007-07-04 株式会社日立メディコ 磁石装置およびこれを用いた磁気共鳴イメージング装置
FR2823308B1 (fr) * 2001-04-05 2003-12-19 Inst Francais Du Petrole Cellule de confinement thermostatee pour echantillon destine a des mesures par rmn et une methode pour sa mise en oeuvre
US20050062473A1 (en) * 2003-09-24 2005-03-24 General Electric Company Cryogen-free high temperature superconducting magnet with thermal reservoir
DE102005041383B4 (de) * 2005-09-01 2007-09-27 Bruker Biospin Ag NMR-Apparatur mit gemeinsam gekühltem Probenkopf und Kryobehälter und Verfahren zum Betrieb derselben
GB2432259B (en) * 2005-11-14 2008-01-30 Siemens Magnet Technology Ltd A resin-impregnated superconducting magnet coil comprising a cooling layer
US7522027B2 (en) * 2005-12-29 2009-04-21 Siemens Magnet Technology Ltd. Magnet assembly and a method for constructing a magnet assembly
GB2437114B (en) * 2006-04-13 2008-12-17 Siemens Magnet Technology Ltd Method Of Manufacturing A Solenoidal Magnet
JP4422711B2 (ja) * 2006-11-20 2010-02-24 株式会社日立製作所 超電導磁石装置および磁気共鳴撮像装置
GB2456795B (en) * 2008-01-24 2010-03-31 Siemens Magnet Technology Ltd A limiter for limiting the motion of components in a cryostat
JP5175892B2 (ja) * 2009-06-15 2013-04-03 株式会社東芝 超電導磁石装置
US8314615B2 (en) * 2009-12-22 2012-11-20 General Electric Company Apparatus and method to improve magnet stability in an MRI system
GB2480637B (en) * 2010-05-26 2013-02-20 Siemens Plc Solenoidal magnets having supported outer coils
GB2489126B (en) * 2010-05-26 2013-04-03 Siemens Plc A method for producing coils for solenoidal magnets
GB2484066B (en) * 2010-09-22 2013-01-09 Siemens Plc Adhesively bonded cylindrical magnets comprising annular coils, and method of manufacture thereof
GB2502980B (en) * 2012-06-12 2014-11-12 Siemens Plc Superconducting magnet apparatus with cryogen vessel
GB2507801B (en) * 2012-11-12 2015-12-30 Siemens Plc Cylindrical Superconducting Magnet
GB2510410B (en) * 2013-02-04 2016-03-09 Siemens Plc Quench pressure reduction for superconducting magnet
CN104835611B (zh) * 2014-02-10 2017-05-24 通用电气公司 超导磁体***及其高温超导引线的失超保护方法
CA2944129C (en) 2015-10-16 2018-07-24 Synaptive Medical (Barbados) Inc. Magnetic resonance imaging system capable of rapid field ramping
US11307276B2 (en) 2019-10-09 2022-04-19 General Electric Company Use of a spacer between layered coil sections in a superconducting magnet structure
CN114945998B (zh) * 2020-01-21 2023-06-23 三菱电机株式会社 超导线圈及超导线圈的制造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL70982A0 (en) * 1983-03-07 1984-05-31 Gen Electric Superconducting magnet having a structure for ringshaped superconductive coils
DE3310160A1 (de) * 1983-03-21 1984-09-27 Siemens AG, 1000 Berlin und 8000 München Geraet zur erzeugung von bildern und ortsaufgeloesten spektren eines untersuchungsobjektes mit magnetischer kernresonanz
US4492090A (en) * 1983-09-19 1985-01-08 General Electric Company Cryostat for NMR magnet
US4587504A (en) * 1983-11-11 1986-05-06 Oxford Magnet Technology Limited Magnet assembly for use in NMR apparatus
DE3407058A1 (de) * 1984-02-27 1985-08-29 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur halterung des gehaeuses einer supraleitenden magnetwicklung
US4595899A (en) * 1984-07-06 1986-06-17 The Board Of Trustees Of The Leland Stanford Junior University Magnetic structure for NMR applications and the like
JPS6313308A (ja) * 1986-07-04 1988-01-20 Hitachi Ltd 超電導装置
JPS63116409A (ja) * 1986-11-04 1988-05-20 Sumitomo Electric Ind Ltd クライオスタツト
US4721934A (en) * 1987-04-02 1988-01-26 General Electric Company Axial strap suspension system for a magnetic resonance magnet
US4768008A (en) * 1987-07-31 1988-08-30 General Atomics MRI magnet system with vessel having composite first wall

Also Published As

Publication number Publication date
EP0350262A1 (en) 1990-01-10
DE68907276D1 (de) 1993-07-29
DE68907276T2 (de) 1994-02-17
JPH0418853B2 (xx) 1992-03-27
EP0350262B1 (en) 1993-06-23
IL90670A0 (en) 1990-01-18
US4935714A (en) 1990-06-19
JPH0284936A (ja) 1990-03-26

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Legal Events

Date Code Title Description
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees