CN1535656B - 用于定位永久磁块的方法和装置 - Google Patents

用于定位永久磁块的方法和装置 Download PDF

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Publication number
CN1535656B
CN1535656B CN2004100324187A CN200410032418A CN1535656B CN 1535656 B CN1535656 B CN 1535656B CN 2004100324187 A CN2004100324187 A CN 2004100324187A CN 200410032418 A CN200410032418 A CN 200410032418A CN 1535656 B CN1535656 B CN 1535656B
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CN
China
Prior art keywords
clamping element
yoke
magnetic piece
mechanical force
row
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
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CN2004100324187A
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English (en)
Chinese (zh)
Other versions
CN1535656A (zh
Inventor
J·郑
J·黄
R·F·罗赫纳
W·沈
H·尤若
G·瓦德
B·-X·徐
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GE Medical Systems Global Technology Co LLC
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GE Medical Systems Global Technology Co LLC
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Publication date
Application filed by GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Publication of CN1535656A publication Critical patent/CN1535656A/zh
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Publication of CN1535656B publication Critical patent/CN1535656B/zh
Anticipated expiration legal-status Critical
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    • 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

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  • 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)
CN2004100324187A 2003-04-03 2004-04-02 用于定位永久磁块的方法和装置 Expired - Fee Related CN1535656B (zh)

Applications Claiming Priority (2)

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
US10/406531 2003-04-03

Publications (2)

Publication Number Publication Date
CN1535656A CN1535656A (zh) 2004-10-13
CN1535656B true CN1535656B (zh) 2012-07-11

Family

ID=32850649

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2004100324187A Expired - Fee Related CN1535656B (zh) 2003-04-03 2004-04-02 用于定位永久磁块的方法和装置

Country Status (4)

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

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
CA2688836A1 (en) * 2007-05-31 2008-12-04 Bertram Manz Magnet arrangement for generating an nmr-compatible homogeneous permanent magnetic field
CN102333482B (zh) * 2009-02-27 2014-05-28 日立金属株式会社 磁场产生装置
WO2010122551A1 (en) * 2009-04-21 2010-10-28 Aspect Magnet Technologies Ltd. Permanent magnet arrangement with solid facing plate and scanning magnet head
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4672346A (en) * 1984-04-11 1987-06-09 Sumotomo Special Metal Co., Ltd. Magnetic field generating device for NMR-CT
US4937545A (en) * 1987-03-03 1990-06-26 Commissariat A L'energie Atomique System of permanent magnets for an intense magnetic field
CN1278600A (zh) * 1999-05-10 2001-01-03 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

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
WO1999040593A1 (en) 1998-02-09 1999-08-12 Odin Medical Technologies Ltd A method for designing open magnets and open magnetic apparatus for use in mri/mrt probes
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
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
EP1666910B1 (en) 1999-11-16 2009-03-11 Hitachi Metals, Ltd. Magnetic-field generator comprising a pole-piece unit
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4672346A (en) * 1984-04-11 1987-06-09 Sumotomo Special Metal Co., Ltd. Magnetic field generating device for NMR-CT
US4937545A (en) * 1987-03-03 1990-06-26 Commissariat A L'energie Atomique System of permanent magnets for an intense magnetic field
CN1278600A (zh) * 1999-05-10 2001-01-03 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

Also Published As

Publication number Publication date
JP2004305746A (ja) 2004-11-04
US20040194289A1 (en) 2004-10-07
US6859123B2 (en) 2005-02-22
EP1465216A1 (en) 2004-10-06
CN1535656A (zh) 2004-10-13
JP4642371B2 (ja) 2011-03-02

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Granted publication date: 20120711

Termination date: 20180402