JP2005118559A5 - - Google Patents

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Publication number
JP2005118559A5
JP2005118559A5 JP2004297723A JP2004297723A JP2005118559A5 JP 2005118559 A5 JP2005118559 A5 JP 2005118559A5 JP 2004297723 A JP2004297723 A JP 2004297723A JP 2004297723 A JP2004297723 A JP 2004297723A JP 2005118559 A5 JP2005118559 A5 JP 2005118559A5
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JP
Japan
Prior art keywords
shim assembly
ferromagnetic material
ferrimagnetic material
ferrimagnetic
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.)
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Application number
JP2004297723A
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English (en)
Japanese (ja)
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JP4726458B2 (ja
JP2005118559A (ja
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Publication date
Priority claimed from US10/682,114 external-priority patent/US6906606B2/en
Application filed filed Critical
Publication of JP2005118559A publication Critical patent/JP2005118559A/ja
Publication of JP2005118559A5 publication Critical patent/JP2005118559A5/ja
Application granted granted Critical
Publication of JP4726458B2 publication Critical patent/JP4726458B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2004297723A 2003-10-10 2004-10-12 磁性材料、パッシブ・シム及び磁気共鳴イメージング・システム Expired - Fee Related JP4726458B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/682,114 US6906606B2 (en) 2003-10-10 2003-10-10 Magnetic materials, passive shims and magnetic resonance imaging systems
US10/682,114 2003-10-10

Publications (3)

Publication Number Publication Date
JP2005118559A JP2005118559A (ja) 2005-05-12
JP2005118559A5 true JP2005118559A5 (enExample) 2009-12-03
JP4726458B2 JP4726458B2 (ja) 2011-07-20

Family

ID=34314136

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004297723A Expired - Fee Related JP4726458B2 (ja) 2003-10-10 2004-10-12 磁性材料、パッシブ・シム及び磁気共鳴イメージング・システム

Country Status (5)

Country Link
US (1) US6906606B2 (enExample)
EP (1) EP1523016B1 (enExample)
JP (1) JP4726458B2 (enExample)
CN (1) CN1606100B (enExample)
DE (1) DE602004021462D1 (enExample)

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US7375518B2 (en) * 2003-10-15 2008-05-20 Hitachi Medical Corporation Structure for reducing noise in magnetic resonance imaging apparatus
US7224167B2 (en) * 2004-11-30 2007-05-29 General Electric Company Magnetic field generating apparatus and method for magnetic resonance imaging
CN101278249B (zh) * 2005-09-29 2010-05-19 Abb研究有限公司 用于控制磁通量的方法与设备
WO2007048243A1 (en) * 2005-10-28 2007-05-03 University Of Victoria Innovation And Development Corporation Shimmed active magnetic regenerator for use in thermodynamic devices
JP5203682B2 (ja) * 2007-02-13 2013-06-05 株式会社東芝 Ｍｒｉ装置、ｎｍｒ分析装置および静磁場発生部
US7753165B2 (en) * 2007-12-21 2010-07-13 Robert Bosch Gmbh Device and method for active noise cancellation in exhaust gas channel of a combustion engine
GB0803358D0 (en) * 2008-02-25 2008-04-02 Siemens Magnet Technology Ltd Method and apparatus for shimming a magnet
JP5170540B2 (ja) * 2008-04-24 2013-03-27 株式会社日立メディコ 磁気共鳴イメージング装置
JP5349177B2 (ja) * 2009-07-09 2013-11-20 株式会社東芝 磁気共鳴イメージング装置
WO2011008969A1 (en) 2009-07-15 2011-01-20 Viewray Incorporated Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other
TWI403682B (zh) * 2009-09-17 2013-08-01 Delta Electronics Inc 磁製冷結構
WO2011122403A1 (ja) * 2010-03-30 2011-10-06 ジャパンスーパーコンダクタテクノロジー株式会社 超電導マグネット装置
JP5443276B2 (ja) * 2010-06-10 2014-03-19 ジャパンスーパーコンダクタテクノロジー株式会社 超電導磁石装置
DE102010013890A1 (de) * 2010-04-07 2011-10-13 Siemens Aktiengesellschaft Verfahren und Shim-Massen-Positionsbestimmungsgerät zur Ermittlung einer Shim-Massen-Anordnung
US8604793B2 (en) 2010-10-21 2013-12-10 General Electric Company Superconducting magnet having cold iron shimming capability
CN103713269A (zh) * 2012-09-29 2014-04-09 西门子(深圳)磁共振有限公司 用于磁体的匀场片、匀场条以及磁体和磁共振系统
AU2013334064A1 (en) 2012-10-26 2015-05-14 Viewray Technologies, Inc. Assessment and improvement of treatment using imaging of physiological responses to radiation therapy
GB2511048B (en) 2013-02-20 2016-05-25 Siemens Healthcare Ltd Methods and apparatus for compensating for drift in magnetic field strength in superconducting magnets
US9446263B2 (en) 2013-03-15 2016-09-20 Viewray Technologies, Inc. Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging
EP3423153B1 (en) 2016-03-02 2021-05-19 ViewRay Technologies, Inc. Particle therapy with magnetic resonance imaging
CA3018183C (en) 2016-03-22 2021-08-24 Hyperfine Research, Inc. Methods and apparatus for magnetic field shimming
DE102017217700A1 (de) * 2017-10-05 2019-04-11 Robert Bosch Gmbh Magnetanordnung sowie Kernspinresonanz-Vorrichtung
CN111712298B (zh) 2017-12-06 2023-04-04 优瑞技术公司 放射疗法系统
EP3553547A1 (en) 2018-04-12 2019-10-16 Koninklijke Philips N.V. Shim irons for a magnetic resonance apparatus

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US1724405A (en) * 1925-10-03 1929-08-13 Westinghouse Electric & Mfg Co Compensating device
US2213085A (en) * 1936-05-21 1940-08-27 Gen Electric Temperature-compensated electrical device
US2968548A (en) * 1958-01-13 1961-01-17 Int Nickel Co Temperature compensating iron-nickelcopper alloys
US3421889A (en) * 1966-01-13 1969-01-14 Us Air Force Magnetic rare earth-cobalt alloys
CH525547A (de) * 1970-12-21 1972-07-15 Bbc Brown Boveri & Cie Verfahren zur Herstellung von Feinpartikel-Dauermagneten
US4456898A (en) * 1982-02-11 1984-06-26 General Electric Company Thermal compensators for magnetic circuits
JPH03181104A (ja) * 1989-12-11 1991-08-07 Kanetsukusu:Kk プラスチックボンデット磁石
US5061897A (en) * 1990-03-23 1991-10-29 Fonar Corporation Eddy current control in magnetic resonance imaging
US5478411A (en) * 1990-12-21 1995-12-26 Provost, Fellows And Scholars Of The College Of The Holy And Undivided Trinity Of Queen Elizabeth Near Dublin Magnetic materials and processes for their production
US5349297A (en) * 1992-03-27 1994-09-20 Picker International Inc. Combined self shielded gradient coil and shimset
US5677854A (en) * 1995-01-17 1997-10-14 General Electric Company Method for passively shimming a magnet
US5786695A (en) * 1997-03-21 1998-07-28 Picker International, Inc. Shim tray with reduced heat conduction and forced cooling
EP0932055A3 (en) * 1998-01-21 2000-06-07 Oxford Instruments Limited NMR sensor
JP3737636B2 (ja) * 1998-07-23 2006-01-18 株式会社神戸製鋼所 超電導磁石装置
DE19922652C2 (de) * 1999-05-18 2001-08-02 Bruker Analytik Gmbh Einrichtung zum Homogenisieren eines Magnetfeldes
US6294972B1 (en) * 2000-08-03 2001-09-25 The Mcw Research Foundation, Inc. Method for shimming a static magnetic field in a local MRI coil
US6577125B2 (en) * 2000-12-18 2003-06-10 Halliburton Energy Services, Inc. Temperature compensated magnetic field apparatus for NMR measurements

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