JP4642371B2 - 永久磁石ブロックを位置決めするための方法及び装置 - Google Patents

永久磁石ブロックを位置決めするための方法及び装置 Download PDF

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Publication number
JP4642371B2
JP4642371B2 JP2004109824A JP2004109824A JP4642371B2 JP 4642371 B2 JP4642371 B2 JP 4642371B2 JP 2004109824 A JP2004109824 A JP 2004109824A JP 2004109824 A JP2004109824 A JP 2004109824A JP 4642371 B2 JP4642371 B2 JP 4642371B2
Authority
JP
Japan
Prior art keywords
clamp member
yoke
magnet block
clamp
positioning
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 - Fee Related
Application number
JP2004109824A
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English (en)
Japanese (ja)
Other versions
JP2004305746A5 (OSRAM
JP2004305746A (ja
Inventor
チンシェン・チェン
チンファー・ファン
ロナルド・フロイド・ロッホナー
ウエージュン・シェン
英明 宇野
ギア・ワード
ブー−シン・スー
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.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology Co LLC
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 GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Publication of JP2004305746A publication Critical patent/JP2004305746A/ja
Publication of JP2004305746A5 publication Critical patent/JP2004305746A5/ja
Application granted granted Critical
Publication of JP4642371B2 publication Critical patent/JP4642371B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0273—Magnetic circuits with PM for magnetic field generation
    • H01F7/0278—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles
    • 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
    • G01R33/383—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49014—Superconductor

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2004109824A 2003-04-03 2004-04-02 永久磁石ブロックを位置決めするための方法及び装置 Expired - Fee Related JP4642371B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/406,531 US6859123B2 (en) 2003-04-03 2003-04-03 Methods and apparatus for positioning permanent magnetic blocks

Publications (3)

Publication Number Publication Date
JP2004305746A JP2004305746A (ja) 2004-11-04
JP2004305746A5 JP2004305746A5 (OSRAM) 2007-05-17
JP4642371B2 true JP4642371B2 (ja) 2011-03-02

Family

ID=32850649

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004109824A Expired - Fee Related JP4642371B2 (ja) 2003-04-03 2004-04-02 永久磁石ブロックを位置決めするための方法及び装置

Country Status (4)

Country Link
US (1) US6859123B2 (OSRAM)
EP (1) EP1465216A1 (OSRAM)
JP (1) JP4642371B2 (OSRAM)
CN (1) CN1535656B (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7484045B2 (en) 2004-03-30 2009-01-27 Intel Corporation Store performance in strongly-ordered microprocessor architecture
US20080246573A1 (en) * 2004-07-09 2008-10-09 Souder James J Field configurable magnetic array
US20070285197A1 (en) * 2006-06-08 2007-12-13 General Electric Company Method for disassembling a magnetic field generator
WO2008145167A1 (de) * 2007-05-31 2008-12-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Magnetanordnung zur erzeugung eines nmr-fähigen homogenen permanentmagnetfeldes
EP2401961B1 (en) * 2009-02-27 2020-11-18 Hitachi Metals, Ltd. Magnetic field generator
DE212010000045U1 (de) * 2009-04-21 2012-01-23 Aspect Magnet Technologies Ltd. Permanentmagnetenanordnung mit fest gegenüberliegender Platte
CN109669150B (zh) * 2018-12-29 2024-07-16 佛山瑞加图医疗科技有限公司 一种圆周磁体安装专用设备及安装方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3566185D1 (en) * 1984-04-11 1988-12-15 Sumitomo Spec Metals Magnetic field generating device for nmr-ct
JPS60239005A (ja) * 1984-05-11 1985-11-27 Sumitomo Special Metals Co Ltd 磁界発生装置
JPS62196803A (ja) * 1986-02-24 1987-08-31 Hitachi Medical Corp 核磁気共鳴イメ−ジング装置
FR2611975B1 (fr) * 1987-03-03 1995-02-17 Commissariat Energie Atomique Systeme d'aimants permanents pour un champ magnetique intense
JPH0339139A (ja) * 1989-07-07 1991-02-20 Sanyo Electric Co Ltd 磁気共鳴撮像装置の静磁場発生装置
JPH0429304A (ja) * 1990-05-24 1992-01-31 Seiko Epson Corp 磁界発生装置
SG43224A1 (en) * 1990-09-29 1997-10-17 Sumitomo Spec Metals Magnetic field generating device used for MRI
US5668516A (en) * 1995-12-29 1997-09-16 General Electric Company Simplified active shield superconducting magnet assembly for magnetic resonance imaging
EP1058933A4 (en) 1998-02-09 2006-03-01 Odin Medical Technologies Ltd CONSTRUCTION PROCEDURE OF OPEN MAGNETS AND OPEN MAGNETIC DEVICE FOR MRI / MRI SENSORS
JP2953659B1 (ja) * 1998-08-06 1999-09-27 住友特殊金属株式会社 Ｍｒｉ用磁界発生装置およびその組立方法並びにそれに用いる磁石ユニットの組立方法
US6358582B1 (en) * 1998-11-19 2002-03-19 General Electric Company Laminated composite shell assembly for magnet applications
US6259252B1 (en) * 1998-11-24 2001-07-10 General Electric Company Laminate tile pole piece for an MRI, a method manufacturing the pole piece and a mold bonding pole piece tiles
US5999076A (en) * 1998-12-30 1999-12-07 General Electric Company Magnetic resonance imaging passively shimmed superconducting magnet assembly
CN1159576C (zh) * 1999-05-10 2004-07-28 三星电子株式会社 制造磁共振成像系统用的主磁体总成的方法
US6252405B1 (en) * 1999-11-15 2001-06-26 General Electric Company Temperature compensated NMR magnet and method of operation therefor
JP4813645B2 (ja) * 1999-11-16 2011-11-09 日立金属株式会社 磁極ユニット、その組立方法および磁界発生装置
EP1102077B1 (en) * 1999-11-16 2006-03-08 Neomax Co., Ltd. Pole-piece unit for an MRI magnet
US6504461B2 (en) * 2001-03-26 2003-01-07 General Electric Company Open magnet with recessed field shaping coils
US6828891B2 (en) * 2002-07-25 2004-12-07 Ge Medical Systems Global Technology Company, Llc Method for assembling magnetic members for magnetic resonance imaging magnetic field generator
US6664878B1 (en) * 2002-07-26 2003-12-16 Ge Medical Systems Global Technology Company, Llc Method for assembling magnetic members for magnetic resonance imaging magnetic field generator
US6650210B1 (en) * 2003-03-11 2003-11-18 Scientific Components Electromechanical switch device

Also Published As

Publication number Publication date
EP1465216A1 (en) 2004-10-06
US20040194289A1 (en) 2004-10-07
CN1535656A (zh) 2004-10-13
JP2004305746A (ja) 2004-11-04
US6859123B2 (en) 2005-02-22
CN1535656B (zh) 2012-07-11

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