JP4445078B2 - 磁気共鳴イメージング装置用の磁極片、並びに磁極片を製造するための方法及びモールド - Google Patents

磁気共鳴イメージング装置用の磁極片、並びに磁極片を製造するための方法及びモールド Download PDF

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Publication number
JP4445078B2
JP4445078B2 JP33078799A JP33078799A JP4445078B2 JP 4445078 B2 JP4445078 B2 JP 4445078B2 JP 33078799 A JP33078799 A JP 33078799A JP 33078799 A JP33078799 A JP 33078799A JP 4445078 B2 JP4445078 B2 JP 4445078B2
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Japan
Prior art keywords
tile
pole piece
mold
magnet
tiles
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Expired - Fee Related
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JP33078799A
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English (en)
Japanese (ja)
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JP2000157510A5 (https=
JP2000157510A (ja
Inventor
エヴァンゲロス・トゥリフォン・ラスカリス
ウィリアム・ダニエル・バーバー
ジョハネス・マーティナス・ヴァンオート
バレント・アクセル
ポール・シャドフォース・トムソン
ミシェル・オーグル
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General Electric Co
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General Electric Co
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Publication of JP2000157510A5 publication Critical patent/JP2000157510A5/ja
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Expired - Fee Related legal-status Critical Current

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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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S29/00—Metal working
    • Y10S29/001—Method or apparatus involving adhesive
    • 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
    • Y10T29/4902—Electromagnet, transformer or inductor
    • 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
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49075—Electromagnet, transformer or inductor including permanent magnet or core
    • 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
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49075—Electromagnet, transformer or inductor including permanent magnet or core
    • Y10T29/49078—Laminated

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
JP33078799A 1998-11-24 1999-11-22 磁気共鳴イメージング装置用の磁極片、並びに磁極片を製造するための方法及びモールド Expired - Fee Related JP4445078B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/198507 1998-11-24
US09/198,507 US6259252B1 (en) 1998-11-24 1998-11-24 Laminate tile pole piece for an MRI, a method manufacturing the pole piece and a mold bonding pole piece tiles

Publications (3)

Publication Number Publication Date
JP2000157510A JP2000157510A (ja) 2000-06-13
JP2000157510A5 JP2000157510A5 (https=) 2009-02-26
JP4445078B2 true JP4445078B2 (ja) 2010-04-07

Family

ID=22733655

Family Applications (1)

Application Number Title Priority Date Filing Date
JP33078799A Expired - Fee Related JP4445078B2 (ja) 1998-11-24 1999-11-22 磁気共鳴イメージング装置用の磁極片、並びに磁極片を製造するための方法及びモールド

Country Status (4)

Country Link
US (3) US6259252B1 (https=)
EP (1) EP1004889B1 (https=)
JP (1) JP4445078B2 (https=)
DE (1) DE69930356T2 (https=)

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JP3705995B2 (ja) * 2000-04-19 2005-10-12 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 勾配コイル製造方法および勾配コイル並びに磁気共鳴撮影装置
US6552639B2 (en) 2000-04-28 2003-04-22 Honeywell International Inc. Bulk stamped amorphous metal magnetic component
US6825758B1 (en) 2000-06-26 2004-11-30 Nokian Tyres Plc System for detecting and communicating operational characteristics of tires telecommunicationally and a method therefor
US6822449B1 (en) 2000-11-22 2004-11-23 Fonar Corporation Ferromagnetic frame with laminated carbon steel
US7271689B1 (en) 2000-11-22 2007-09-18 Fonar Corporation Magnet structure
US6970061B1 (en) * 2000-11-22 2005-11-29 Fonar Corporation Magnet structure
US6982620B1 (en) * 2000-11-22 2006-01-03 Fonar Corporation Magnet structure
US7463129B1 (en) 2000-11-22 2008-12-09 Fonar Corporation Magnet structure
US7248137B1 (en) 2000-11-22 2007-07-24 Fonar Corporation Magnet structure
JP3535107B2 (ja) * 2001-03-02 2004-06-07 株式会社日立製作所 磁極及びそれを用いた磁石装置
US6662434B2 (en) 2001-04-03 2003-12-16 General Electric Company Method and apparatus for magnetizing a permanent magnet
US6518867B2 (en) * 2001-04-03 2003-02-11 General Electric Company Permanent magnet assembly and method of making thereof
US7084632B2 (en) * 2002-04-01 2006-08-01 Shenyang Neusoft Bopu Nmr Tech Co., Ltd. Permanent magnet for magnet resonance
US6984982B2 (en) * 2002-07-29 2006-01-10 Ge Medical Systems Global Technology Company Llc Method and system for shimming an MRI magnet assembly
US6873239B2 (en) 2002-11-01 2005-03-29 Metglas Inc. Bulk laminated amorphous metal inductive device
US6737951B1 (en) 2002-11-01 2004-05-18 Metglas, Inc. Bulk amorphous metal inductive device
US7242191B2 (en) * 2002-11-25 2007-07-10 General Electric Company Cold mass support structure and helium vessel of actively shielded high field open MRI magnets
US6825666B2 (en) * 2002-12-23 2004-11-30 General Electric Company Pole face for permanent magnet MRI with laminated structure
US6859123B2 (en) * 2003-04-03 2005-02-22 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for positioning permanent magnetic blocks
US7235910B2 (en) 2003-04-25 2007-06-26 Metglas, Inc. Selective etching process for cutting amorphous metal shapes and components made thereof
CN100504432C (zh) * 2003-05-23 2009-06-24 西门子（中国）有限公司 磁共振设备中的静磁场调节方法及其静磁场发生装置
CN100434928C (zh) * 2003-05-23 2008-11-19 西门子（中国）有限公司 一种可用于磁共振设备的磁场发生系统
US20050062572A1 (en) * 2003-09-22 2005-03-24 General Electric Company Permanent magnet alloy for medical imaging system and method of making
US7423431B2 (en) * 2003-09-29 2008-09-09 General Electric Company Multiple ring polefaceless permanent magnet and method of making
US7148689B2 (en) * 2003-09-29 2006-12-12 General Electric Company Permanent magnet assembly with movable permanent body for main magnetic field adjustable
US7218195B2 (en) * 2003-10-01 2007-05-15 General Electric Company Method and apparatus for magnetizing a permanent magnet
US6937018B2 (en) * 2003-10-31 2005-08-30 General Electric Company Systems and methods for fabricating pole pieces for magnetic resonance imaging systems
US6956375B2 (en) * 2004-01-09 2005-10-18 General Electric Company Magnetic resonance imaging magnetic field generator
US7631411B2 (en) * 2004-06-28 2009-12-15 General Electric Company Method of manufacturing support structure for open MRI
US7319326B2 (en) * 2004-09-23 2008-01-15 University Of New Brunswick Sensor and magnetic field apparatus suitable for use in for unilateral nuclear magnetic resonance and method for making same
JP2006149722A (ja) * 2004-11-30 2006-06-15 Ge Medical Systems Global Technology Co Llc マグネットシステムおよびｍｒｉ装置
US8237440B2 (en) * 2005-09-23 2012-08-07 University Of New Brunswick Magnetic field generator suitable for unilateral nuclear magnetic resonance and method for making same
US7400147B2 (en) * 2005-11-03 2008-07-15 Uri Rapoport Self-fastening cage surrounding a magnetic resonance device and methods thereof
CA2672699A1 (en) * 2006-11-24 2008-05-29 University Of New Brunswick Magnet array
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CN102316798A (zh) * 2008-12-18 2012-01-11 古鲁姆·泰克勒马林 用于磁共振成像的小型非均匀永磁场发生器
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
KR20170048560A (ko) 2014-09-05 2017-05-08 하이퍼파인 리서치, 인크. 낮은 필드 자기 공명 이미징 방법들 및 장치
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Also Published As

Publication number Publication date
EP1004889A2 (en) 2000-05-31
EP1004889B1 (en) 2006-03-15
EP1004889A3 (en) 2000-08-23
DE69930356T2 (de) 2007-03-01
US6694602B2 (en) 2004-02-24
US6429761B2 (en) 2002-08-06
JP2000157510A (ja) 2000-06-13
US20020021129A1 (en) 2002-02-21
US6259252B1 (en) 2001-07-10
US20010005165A1 (en) 2001-06-28
DE69930356D1 (de) 2006-05-11

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