DE60144206D1 - Verfahren zur Herstellung von Polschuhen von Kernspinresonanztomographiemagneten - Google Patents

Verfahren zur Herstellung von Polschuhen von Kernspinresonanztomographiemagneten

Info

Publication number
DE60144206D1
DE60144206D1 DE60144206T DE60144206T DE60144206D1 DE 60144206 D1 DE60144206 D1 DE 60144206D1 DE 60144206 T DE60144206 T DE 60144206T DE 60144206 T DE60144206 T DE 60144206T DE 60144206 D1 DE60144206 D1 DE 60144206D1
Authority
DE
Germany
Prior art keywords
magnetic resonance
nuclear magnetic
magnets
pole pieces
resonance tomography
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 - Lifetime
Application number
DE60144206T
Other languages
English (en)
Inventor
Stefano Pittaluga
Alessandro Trequattrini
Davide Carlini
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.)
Esaote SpA
Original Assignee
Esaote SpA
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 Esaote SpA filed Critical Esaote SpA
Application granted granted Critical
Publication of DE60144206D1 publication Critical patent/DE60144206D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/387Compensation of inhomogeneities
    • G01R33/3873Compensation of inhomogeneities using ferromagnetic bodies ; Passive shimming
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/383Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE60144206T 2000-06-15 2001-05-30 Verfahren zur Herstellung von Polschuhen von Kernspinresonanztomographiemagneten Expired - Lifetime DE60144206D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2000SV000023A ITSV20000023A1 (it) 2000-06-15 2000-06-15 Procedimento per la realizzazione di dispositivi di generazione di campi magnetici nelle macchine per il rilevamento di immagini in risonanz

Publications (1)

Publication Number Publication Date
DE60144206D1 true DE60144206D1 (de) 2011-04-21

Family

ID=11457037

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60144206T Expired - Lifetime DE60144206D1 (de) 2000-06-15 2001-05-30 Verfahren zur Herstellung von Polschuhen von Kernspinresonanztomographiemagneten
DE60144207T Expired - Lifetime DE60144207D1 (de) 2000-06-15 2001-05-30 Verfahren zur Herstellung von Polschuhen von Kernspinresonanztomographiemagneten

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60144207T Expired - Lifetime DE60144207D1 (de) 2000-06-15 2001-05-30 Verfahren zur Herstellung von Polschuhen von Kernspinresonanztomographiemagneten

Country Status (6)

Country Link
US (1) US6586936B2 (de)
EP (3) EP2108974B1 (de)
AT (2) ATE501445T1 (de)
DE (2) DE60144206D1 (de)
ES (2) ES2359117T3 (de)
IT (1) ITSV20000023A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7132804B2 (en) * 1997-12-17 2006-11-07 Color Kinetics Incorporated Data delivery track
US6686595B2 (en) * 2002-06-26 2004-02-03 Semequip Inc. Electron impact ion source
AU2003258960A1 (en) * 2002-06-26 2004-01-19 Semequip Inc. Ion implantation device and method
ITSV20030011A1 (it) * 2003-03-31 2004-10-01 Esaote Spa Struttura magnetica per macchine di acquisiszione di
CN100434038C (zh) * 2004-03-05 2008-11-19 西门子(中国)有限公司 磁共振成像设备磁场的调节装置
FR2896615A1 (fr) * 2006-01-20 2007-07-27 Areva T & D Sa Actionneur magnetique a aimant permanent a volume reduit
DE102012220126A1 (de) * 2012-11-05 2014-05-08 Bruker Biospin Ag Magnetanordnung mit einem supraleitenden Magnetspulensystem und einer magnetischen Feldformvorrichtung für magnetische Resonanzspektroskopie
EP3053172A1 (de) 2013-09-30 2016-08-10 Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen Verfahren für ein gezieltes formen des magnetfelds von permanentmagneten
US11177680B2 (en) * 2017-04-04 2021-11-16 Intel Corporation Field shaper for a wireless power transmitter
EP3457158A1 (de) * 2017-09-19 2019-03-20 Koninklijke Philips N.V. Passive shims für magnetresonanzbildgebung aus ferromagnetischem material

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4827235A (en) 1986-07-18 1989-05-02 Kabushiki Kaisha Toshiba Magnetic field generator useful for a magnetic resonance imaging instrument
JPS63241905A (ja) 1987-03-27 1988-10-07 Sumitomo Special Metals Co Ltd 磁界発生装置
JPH01104252A (ja) 1987-10-16 1989-04-21 Sanyo Electric Co Ltd 磁気共鳴撮像装置
GB2215522B (en) 1988-02-26 1990-11-28 Picker Int Ltd Magnet arrangements
JPH0287505A (ja) 1988-09-22 1990-03-28 Sumitomo Special Metals Co Ltd Mri用磁界発生装置
JPH02184002A (ja) * 1989-01-10 1990-07-18 Sumitomo Special Metals Co Ltd Mri用磁界発生装置
US5134374A (en) 1989-06-01 1992-07-28 Applied Superconetics Magnetic field control apparatus
US5243286A (en) 1990-06-06 1993-09-07 Advanced Nmr Systems, Inc. Split shield for magnetic resonance imaging
US5283544A (en) * 1990-09-29 1994-02-01 Sumitomo Special Metals Co., Ltd. Magnetic field generating device used for MRI
US5124651A (en) 1990-10-24 1992-06-23 Fonar Corporation Nuclear magnetic resonance scanners with composite pole facings
US5414399A (en) 1991-12-19 1995-05-09 Applied Superconetics, Inc. Open access superconducting MRI magnet having an apparatus for reducing magnetic hysteresis in superconducting MRI systems
US5495171A (en) * 1993-01-19 1996-02-27 Fonar Corporation Eddy current control in NMR imaging systems
FI105293B (fi) * 1993-06-08 2000-07-14 Picker Nordstar Oy Magneettikuvaukseen käytettävän magneetin napakenkä
JP4039495B2 (ja) * 1998-04-14 2008-01-30 日立金属株式会社 Mri用磁界発生装置
IT1305960B1 (it) * 1998-05-11 2001-05-21 Esaote Spa Struttura di magnete in particolare per macchine per il rilevamentod'immagine in risonanza magnetica nucleare.
US6150818A (en) * 1998-08-31 2000-11-21 General Electric Company Low eddy current and low hysteresis magnet pole faces in MR imaging
DE19854483B4 (de) * 1998-11-25 2005-02-24 Siemens Ag Vorrichtung zur Erzeugung eines Magnetfeldes in einem Luftspalt

Also Published As

Publication number Publication date
EP1167989A2 (de) 2002-01-02
ITSV20000023A1 (it) 2001-12-15
EP2108974B1 (de) 2011-03-09
EP2108973A1 (de) 2009-10-14
EP1167989A3 (de) 2003-08-13
US6586936B2 (en) 2003-07-01
ITSV20000023A0 (it) 2000-06-15
EP2108974A1 (de) 2009-10-14
DE60144207D1 (de) 2011-04-21
ES2359116T3 (es) 2011-05-18
ATE501445T1 (de) 2011-03-15
EP2108973B1 (de) 2011-03-09
ATE501444T1 (de) 2011-03-15
US20020019132A1 (en) 2002-02-14
ES2359117T3 (es) 2011-05-18

Similar Documents

Publication Publication Date Title
DE60144206D1 (de) Verfahren zur Herstellung von Polschuhen von Kernspinresonanztomographiemagneten
DE60000756T2 (de) Verfahren zur Herstellung der Ständerwicklungen einer elektrischen Maschine
DE60312471T2 (de) Statoranordnung für einen Elektromotor und Verfahren zu deren Herstellung
DE59907894D1 (de) Verfahren zur herstellung eines stators, stator und elektrische maschine mit diesem stator
ATE361577T1 (de) Wicklungsstab für die hochspannungswicklung einer elektrischen maschine sowie verfahren zur herstellung eines solchen wicklungsstabes
ATE112427T1 (de) Verfahren zur massenproduction einer rotationsmaschine mit innenmagneten und dadurch hergestellte rotationsmaschine mit innenmagneten.
ATE394783T1 (de) Verfahren zur herstellung von elektrostatischen oder elektrochemischen energiespeichern, vorrichtung zur ausführung des verfahrens und nach dem verfahren hergestellte energiespeicher.
DK1071103T3 (da) Fremgangsmåde til produktion af viklinger til induktive komponenter og tilsvarende komponenter tilvejebragt herved
DE10193670D2 (de) Elektrische Maschine für hohe Ummagnetisierungsfrequenzen
ATE310589T1 (de) Elektromagnetischer ultraschallwandler
DE59101678D1 (de) Magnetspule aus gestapelten blechen, elektrische maschine mit magnetspulen aus gestapelten blechen, verfahren zur herstellung von magnetspulen.
DE69017919D1 (de) Magnetisches induktionsverfahren und rotormagnetkreis zur erzeugung mechanischer und elektrischer leistung.
ATE407469T1 (de) Elektrische maschine mit mehrphasiger wicklung und verfahren zu ihrer herstellung
JP2004305736A (ja) シム巻線の製造方法
ES530401A0 (es) Un aparato para formar e instalar arrollamientos inductores de campo en un nucleo de una maquina electrica de induccion.
Peterson et al. Laser-micromachined permanent magnet arrays with spatially alternating magnetic field distribution
JP5652086B2 (ja) 回転電機用のロータに用いるロータコアの製造方法
KR101816484B1 (ko) 발열 필름 및 그 제조 방법
DE59808657D1 (de) Polarisierer und verfahren zur herstellung von diesem
DE50103565D1 (de) Stator für eine elektrische maschine und herstellungsverfahren dafür
WO2004021550A3 (en) A synchronous electrical machine
WO2004104612A1 (en) Magnetic field generating system applicable to nuclear magnetic resonance device
GB2009518A (en) A lamination for use in laminated cores of electromagnetic apparatus such as transformers, chokes, ignition coils, electric motors and electric generators
FR2891673B1 (fr) Outillage de realisation de bobinages d'un stator d'une machine electrique et procede de realisation de bobinage.
CN113678214A (zh) 用于高矫顽性材料的多极磁化装置