JP2007007111A5 - - Google Patents

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Publication number
JP2007007111A5
JP2007007111A5 JP2005190873A JP2005190873A JP2007007111A5 JP 2007007111 A5 JP2007007111 A5 JP 2007007111A5 JP 2005190873 A JP2005190873 A JP 2005190873A JP 2005190873 A JP2005190873 A JP 2005190873A JP 2007007111 A5 JP2007007111 A5 JP 2007007111A5
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JP
Japan
Prior art keywords
mri
superconducting magnet
superconducting
refrigerator
magnetic shield
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.)
Granted
Application number
JP2005190873A
Other languages
English (en)
Japanese (ja)
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JP2007007111A (ja
JP4404021B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from JP2005190873A external-priority patent/JP4404021B2/ja
Priority to JP2005190873A priority Critical patent/JP4404021B2/ja
Priority to EP06253271A priority patent/EP1739446B1/en
Priority to DE602006002073T priority patent/DE602006002073D1/de
Priority to US11/476,700 priority patent/US7323963B2/en
Priority to CN2006100943129A priority patent/CN1892931B/zh
Publication of JP2007007111A publication Critical patent/JP2007007111A/ja
Publication of JP2007007111A5 publication Critical patent/JP2007007111A5/ja
Publication of JP4404021B2 publication Critical patent/JP4404021B2/ja
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2005190873A 2005-06-30 2005-06-30 Mri用超電導磁石 Expired - Fee Related JP4404021B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2005190873A JP4404021B2 (ja) 2005-06-30 2005-06-30 Mri用超電導磁石
EP06253271A EP1739446B1 (en) 2005-06-30 2006-06-23 A MRI superconductive magnet
DE602006002073T DE602006002073D1 (de) 2005-06-30 2006-06-23 Supraleitender Magnet für Kerspintomographie
CN2006100943129A CN1892931B (zh) 2005-06-30 2006-06-29 Mri用超导磁铁
US11/476,700 US7323963B2 (en) 2005-06-30 2006-06-29 MRI superconductive magnet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005190873A JP4404021B2 (ja) 2005-06-30 2005-06-30 Mri用超電導磁石

Publications (3)

Publication Number Publication Date
JP2007007111A JP2007007111A (ja) 2007-01-18
JP2007007111A5 true JP2007007111A5 (cg-RX-API-DMAC10.html) 2007-08-02
JP4404021B2 JP4404021B2 (ja) 2010-01-27

Family

ID=37084635

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005190873A Expired - Fee Related JP4404021B2 (ja) 2005-06-30 2005-06-30 Mri用超電導磁石

Country Status (5)

Country Link
US (1) US7323963B2 (cg-RX-API-DMAC10.html)
EP (1) EP1739446B1 (cg-RX-API-DMAC10.html)
JP (1) JP4404021B2 (cg-RX-API-DMAC10.html)
CN (1) CN1892931B (cg-RX-API-DMAC10.html)
DE (1) DE602006002073D1 (cg-RX-API-DMAC10.html)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4833875B2 (ja) * 2007-01-23 2011-12-07 新日本製鐵株式会社 バルク酸化物超伝導材料を用いた磁石装置
JP4468388B2 (ja) * 2007-02-05 2010-05-26 株式会社日立製作所 磁場発生器
JP4542573B2 (ja) * 2007-08-07 2010-09-15 株式会社日立製作所 アクティブシールド型の超電導電磁石装置および磁気共鳴イメージング装置
US8464542B2 (en) * 2007-12-28 2013-06-18 D-Wave Systems Inc. Systems, methods, and apparatus for cryogenic refrigeration
US20090293505A1 (en) * 2008-05-29 2009-12-03 Cryomech, Inc. Low vibration liquid helium cryostat
RU2505760C2 (ru) * 2008-09-09 2014-01-27 Конинклейке Филипс Электроникс, Н.В. Теплообменник с горизонтальным оребрением для криогенного охлаждения с повторной конденсацией
JP5679987B2 (ja) * 2008-12-22 2015-03-04 コーニンクレッカ フィリップス エヌ ヴェ 液状又はガス状冷媒が充填される内部キャビティで冷却される超電導スイッチ
CN101752050A (zh) * 2010-03-24 2010-06-23 哈尔滨工业大学 高温超导线圈的磁场屏蔽装置
JP5539022B2 (ja) * 2010-05-25 2014-07-02 三菱電機株式会社 伝導冷却超電導マグネット装置
CN102314988B (zh) * 2010-06-30 2014-05-07 通用电气公司 磁体组件及其温控方法
CN102136337B (zh) * 2010-12-08 2012-03-28 中国科学院电工研究所 高磁场高均匀度核磁共振超导磁体系统
GB2503460B (en) * 2012-06-26 2014-08-13 Siemens Plc Method and apparatus for reduction of gradient coil vibration in MRI systems
KR102131471B1 (ko) 2012-07-26 2020-07-07 스미토모 크라이어제닉스 오브 아메리카 인코포레이티드 브레이튼 사이클 엔진
CN105008821B (zh) * 2013-01-11 2017-03-15 住友(Shi)美国低温研究有限公司 Mri冷却设备
EP3071984A1 (en) 2013-11-22 2016-09-28 Koninklijke Philips N.V. Dynamic boil-off reduction with improved cryogenic vessel
WO2016022718A1 (en) 2014-08-08 2016-02-11 D-Wave Systems Inc. Systems and methods for electrostatic trapping of contaminants in cryogenic refrigeration systems
CN104319056B (zh) * 2014-10-22 2016-07-06 杭州富士达特种材料股份有限公司 一种低温超导磁场的冷却装置的热屏蔽结构
US10401448B2 (en) 2014-12-12 2019-09-03 Koninklijke Philips N.V. System and method for maintaining vacuum in superconducting magnet system in event of loss of cooling
US11137181B2 (en) 2015-06-03 2021-10-05 Sumitomo (Shi) Cryogenic Of America, Inc. Gas balanced engine with buffer
WO2018052414A1 (en) * 2016-09-14 2018-03-22 Google Llc Reducing dissipation and frequency noise in quantum devices using a local vacuum cavity
JP6792990B2 (ja) * 2016-10-03 2020-12-02 住友重機械工業株式会社 極低温冷凍機
CN110446897B (zh) * 2017-03-30 2020-11-20 住友重机械工业株式会社 超低温制冷机及磁屏蔽件
JP6901622B2 (ja) * 2017-07-17 2021-07-14 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. コールドヘッドの熱経路が熱交換器により冷却される超電導磁石
CN107993788B (zh) * 2017-12-15 2020-05-19 上海联影医疗科技有限公司 超导磁体系统、其控制方法、其制造方法及磁共振系统
CN108022711B (zh) 2018-01-02 2020-06-12 中国科学院电工研究所 一种智能化磁共振全身成像超导磁体系统
WO2019194815A1 (en) * 2018-04-06 2019-10-10 General Electric Company Superconducting magnet apparatus and method of operating same
GB2586821B (en) * 2019-09-04 2022-04-13 Siemens Healthcare Ltd Current leads for superconducting magnets
US12300429B2 (en) 2020-03-04 2025-05-13 Canon Medical Systems Corporation Superconducting electromagnet device
GB2616318B (en) 2022-05-16 2024-05-15 Oxford Instruments Nanotechnology Tools Ltd Cryogenic cooling system

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63187606A (ja) * 1987-01-30 1988-08-03 Fuji Electric Co Ltd 極低温容器
JPS6454714A (en) * 1987-08-26 1989-03-02 Hitachi Ltd Active shield type superconducting magnet device
US4959964A (en) * 1988-09-16 1990-10-02 Hitachi, Ltd. Cryostat with refrigerator containing superconductive magnet
US5092130A (en) * 1988-11-09 1992-03-03 Mitsubishi Denki Kabushiki Kaisha Multi-stage cold accumulation type refrigerator and cooling device including the same
JPH02195937A (ja) * 1989-01-26 1990-08-02 Toshiba Corp 磁気共鳴イメージング装置用静磁界磁石
US5289128A (en) * 1992-03-27 1994-02-22 Picker International, Inc. Superconducting gradient shield coils
US5280247A (en) * 1992-03-27 1994-01-18 Picker International, Inc. Filamentary cold shield for superconducting magnets
US4986077A (en) * 1989-06-21 1991-01-22 Hitachi, Ltd. Cryostat with cryo-cooler
JPH0334404A (ja) * 1989-06-30 1991-02-14 Mitsubishi Electric Corp 極低温冷凍装置
JP3233974B2 (ja) * 1992-04-09 2001-12-04 株式会社東芝 Mri用高周波磁界シールド
JPH07142237A (ja) * 1993-11-22 1995-06-02 Toshiba Corp 超電導磁石装置
JP3761215B2 (ja) * 1994-05-25 2006-03-29 株式会社東芝 超電導磁石
JP2907012B2 (ja) * 1994-08-08 1999-06-21 三菱電機株式会社 超電導マグネット装置
US5517169A (en) * 1994-10-17 1996-05-14 General Electric Company Superconducting magnet with magnetic shielding
US5571602A (en) * 1994-12-29 1996-11-05 General Electric Company Superconducting joints for superconducting sheets
US5633587A (en) * 1995-02-14 1997-05-27 Kabushiki Kaisha Toshiba Magnetostatic field generating magnet for use in an MRI system having an active magnetic shield
US5701744A (en) * 1996-10-31 1997-12-30 General Electric Company Magnetic resonance imager with helium recondensing
JP3871789B2 (ja) * 1997-12-01 2007-01-24 株式会社日立メディコ パッシブシールド型超電導磁石
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
JP4186636B2 (ja) * 2003-01-30 2008-11-26 株式会社日立製作所 超電導磁石
JP2004235653A (ja) 2004-02-09 2004-08-19 Mitsubishi Electric Corp 超電導マグネット
US7500366B2 (en) * 2005-12-08 2009-03-10 Shi-Apd Cryogencis, Inc. Refrigerator with magnetic shield

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