JPS60210804A - 永久磁石装置 - Google Patents

永久磁石装置

Info

Publication number
JPS60210804A
JPS60210804A JP59065758A JP6575884A JPS60210804A JP S60210804 A JPS60210804 A JP S60210804A JP 59065758 A JP59065758 A JP 59065758A JP 6575884 A JP6575884 A JP 6575884A JP S60210804 A JPS60210804 A JP S60210804A
Authority
JP
Japan
Prior art keywords
magnetic field
magnetic
permanent magnet
field generation
ferromagnetic material
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
JP59065758A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0462441B2 (en, 2012
Inventor
Takeshi Miyajima
宮島　剛
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP59065758A priority Critical patent/JPS60210804A/ja
Priority to US06/719,889 priority patent/US4644313A/en
Publication of JPS60210804A publication Critical patent/JPS60210804A/ja
Publication of JPH0462441B2 publication Critical patent/JPH0462441B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/20—Electromagnets; Actuators including electromagnets without armatures

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)
JP59065758A 1984-04-04 1984-04-04 永久磁石装置 Granted JPS60210804A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP59065758A JPS60210804A (ja) 1984-04-04 1984-04-04 永久磁石装置
US06/719,889 US4644313A (en) 1984-04-04 1985-04-04 Cylindrical magnet apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59065758A JPS60210804A (ja) 1984-04-04 1984-04-04 永久磁石装置

Publications (2)

Publication Number Publication Date
JPS60210804A true JPS60210804A (ja) 1985-10-23
JPH0462441B2 JPH0462441B2 (en, 2012) 1992-10-06

Family

ID=13296246

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59065758A Granted JPS60210804A (ja) 1984-04-04 1984-04-04 永久磁石装置

Country Status (2)

Country Link
US (1) US4644313A (en, 2012)
JP (1) JPS60210804A (en, 2012)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6354704A (ja) * 1986-08-25 1988-03-09 Jeol Ltd 磁場発生装置
FR2605451A1 (fr) * 1986-10-17 1988-04-22 Thomson Cgr Aimant permanent cylindrique a champ induit longitudinal
RU2693551C1 (ru) * 2018-11-26 2019-07-03 Российская Федерация, от имени которой выступает Федеральное агентство по техническому регулированию и метрологии (Росстандарт) Замедлитель зеемана атомного пучка

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8432439D0 (en) * 1984-12-21 1985-02-06 Oxford Magnet Tech Magnet assembly
US4707663A (en) * 1985-08-15 1987-11-17 Fonar Corporation Nuclear magnetic resonance apparatus using low energy magnetic elements
JPS63142775U (en, 2012) * 1987-03-10 1988-09-20
US4998976A (en) * 1987-10-07 1991-03-12 Uri Rapoport Permanent magnet arrangement
US4985678A (en) * 1988-10-14 1991-01-15 Picker International, Inc. Horizontal field iron core magnetic resonance scanner
JPH03131234A (ja) * 1989-07-07 1991-06-04 Sumitomo Special Metals Co Ltd Ｍｒｉ用磁界発生装置
US5095271A (en) * 1990-05-14 1992-03-10 General Atomics Compact open NMR systems for in situ measurement of moisture, salinity, and hydrocarbons
USRE35565E (en) * 1990-05-18 1997-07-22 Sumitomo Special Metals Co., Ltd. Magnetic field generating apparatus for MRI
US5252924A (en) * 1991-11-18 1993-10-12 Sumitomo Special Metals Co., Ltd. Magnetic field generating apparatus for MRI
US5260618A (en) * 1991-11-25 1993-11-09 Seagate Technology, Inc. Space optimization voice coil motor for disc drives
JP2767659B2 (ja) * 1991-12-17 1998-06-18 信越化学工業株式会社 磁場発生装置
US5389879A (en) * 1992-12-18 1995-02-14 Pulyer; Yuly M. MRI device having high field strength cylindrical magnet with two axially spaced electromagnets
FR2710780B1 (fr) * 1993-09-30 1995-10-27 Commissariat Energie Atomique Structures magnétiques ouvertes.
US6125498A (en) * 1997-12-05 2000-10-03 Bissell Homecare, Inc. Handheld extraction cleaner
US6215304B1 (en) 1998-01-21 2001-04-10 Oxford Instruments (Uk) Ltd. NMR sensor
US6309340B1 (en) * 1998-07-28 2001-10-30 Pulse Medical Co., Ltd. Magnet type medical instrument and electromagnet and coil used in it
US6489872B1 (en) 1999-05-06 2002-12-03 New Mexico Resonance Unilateral magnet having a remote uniform field region for nuclear magnetic resonance
JP3209982B2 (ja) * 1999-06-18 2001-09-17 ジーイー横河メディカルシステム株式会社 Ｍｒｉ装置用勾配コイル、ｍｒｉ装置用勾配コイルの製造方法およびｍｒｉ装置
JP3845048B2 (ja) * 2002-08-27 2006-11-15 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 磁気共鳴撮影装置
US7365623B2 (en) * 2005-06-10 2008-04-29 Beijing Taijie Yanyuan Medical Engineering Technical Co., Ltd. Permanent magnet, magnetic device for use in MRI including the same, and manufacturing processes thereof
CN104051122B (zh) * 2014-06-12 2016-08-24 包头市稀宝博为医疗系统有限公司 用于磁共振成像的磁体装置及其测量装置
DE102015102233B4 (de) * 2015-02-17 2019-05-29 Asm Automation Sensorik Messtechnik Gmbh Positionssensor und damit erstellte Messanordnung
DE102016203588A1 (de) * 2016-03-04 2017-09-07 Bruker Biospin Gmbh Streufeldarme Permanentmagnetanordnung für MR-Apparaturen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL287237A (en, 2012) * 1961-12-27
FR1516849A (fr) * 1966-12-16 1968-02-05 Cem Comp Electro Mec Dispositif de production de champ magnétique intense et uniforme dans un volume ellipsoïdal de révolution
DE2849355A1 (de) * 1978-11-14 1980-05-29 Philips Patentverwaltung Magnetspulenanordnung zur erzeugung eines homogenen magnetfeldes fuer magnetresonanz-anordnungen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6354704A (ja) * 1986-08-25 1988-03-09 Jeol Ltd 磁場発生装置
FR2605451A1 (fr) * 1986-10-17 1988-04-22 Thomson Cgr Aimant permanent cylindrique a champ induit longitudinal
US5014032A (en) * 1986-10-17 1991-05-07 Centre National De La Recherche Scientifique Cylindrical permanent magnet with longitudinal induced field
RU2693551C1 (ru) * 2018-11-26 2019-07-03 Российская Федерация, от имени которой выступает Федеральное агентство по техническому регулированию и метрологии (Росстандарт) Замедлитель зеемана атомного пучка

Also Published As

Publication number Publication date
JPH0462441B2 (en, 2012) 1992-10-06
US4644313A (en) 1987-02-17

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