GB2529785B - Magnet Assemblies - Google Patents

Magnet Assemblies

Info

Publication number
GB2529785B
GB2529785B GB1521572.6A GB201521572A GB2529785B GB 2529785 B GB2529785 B GB 2529785B GB 201521572 A GB201521572 A GB 201521572A GB 2529785 B GB2529785 B GB 2529785B
Authority
GB
United Kingdom
Prior art keywords
magnet assemblies
assemblies
magnet
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
GB1521572.6A
Other languages
English (en)
Other versions
GB201521572D0 (en
GB2529785A (en
Inventor
M Leskowitz Garett
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.)
Nanalysis Corp
Original Assignee
Nanalysis Corp
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 Nanalysis Corp filed Critical Nanalysis Corp
Publication of GB201521572D0 publication Critical patent/GB201521572D0/en
Publication of GB2529785A publication Critical patent/GB2529785A/en
Application granted granted Critical
Publication of GB2529785B publication Critical patent/GB2529785B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • 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
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3873—Compensation of inhomogeneities using ferromagnetic bodies ; Passive shimming
    • 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
GB1521572.6A 2013-06-03 2014-06-02 Magnet Assemblies Expired - Fee Related GB2529785B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361830467P 2013-06-03 2013-06-03
PCT/CA2014/000485 WO2014194408A1 (en) 2013-06-03 2014-06-02 Magnet assemblies

Publications (3)

Publication Number Publication Date
GB201521572D0 GB201521572D0 (en) 2016-01-20
GB2529785A GB2529785A (en) 2016-03-02
GB2529785B true GB2529785B (en) 2018-02-14

Family

ID=52007350

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1521572.6A Expired - Fee Related GB2529785B (en) 2013-06-03 2014-06-02 Magnet Assemblies

Country Status (10)

Country Link
US (1) US9952294B2 (https=)
EP (1) EP3005379A4 (https=)
JP (1) JP6473142B2 (https=)
CN (1) CN105408970B (https=)
AU (1) AU2014277569C1 (https=)
BR (1) BR112015030364B1 (https=)
CA (1) CA2913801C (https=)
GB (1) GB2529785B (https=)
NZ (1) NZ714921A (https=)
WO (1) WO2014194408A1 (https=)

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WO2011001429A1 (en) 2009-06-30 2011-01-06 Aspect Magnet Technologies Ltd. A cage in an mrd with a fastening/attenuating system
US11278461B2 (en) 2010-07-07 2022-03-22 Aspect Imaging Ltd. Devices and methods for a neonate incubator, capsule and cart
US10076266B2 (en) 2010-07-07 2018-09-18 Aspect Imaging Ltd. Devices and methods for a neonate incubator, capsule and cart
US9755671B2 (en) 2013-08-01 2017-09-05 Qorvo Us, Inc. VSWR detector for a tunable filter structure
US9391565B2 (en) 2013-03-15 2016-07-12 TriQuint International PTE, Ltd. Amplifier phase distortion correction based on amplitude distortion measurement
US9859863B2 (en) 2013-03-15 2018-01-02 Qorvo Us, Inc. RF filter structure for antenna diversity and beam forming
US9899133B2 (en) 2013-08-01 2018-02-20 Qorvo Us, Inc. Advanced 3D inductor structures with confined magnetic field
US12224096B2 (en) 2013-03-15 2025-02-11 Qorvo Us, Inc. Advanced 3D inductor structures with confined magnetic field
US9628045B2 (en) 2013-08-01 2017-04-18 Qorvo Us, Inc. Cooperative tunable RF filters
US9780756B2 (en) 2013-08-01 2017-10-03 Qorvo Us, Inc. Calibration for a tunable RF filter structure
US9705478B2 (en) 2013-08-01 2017-07-11 Qorvo Us, Inc. Weakly coupled tunable RF receiver architecture
US9825656B2 (en) 2013-08-01 2017-11-21 Qorvo Us, Inc. Weakly coupled tunable RF transmitter architecture
US9774311B2 (en) 2013-03-15 2017-09-26 Qorvo Us, Inc. Filtering characteristic adjustments of weakly coupled tunable RF filters
US9196406B2 (en) 2013-03-15 2015-11-24 Rf Micro Devices, Inc. High Q factor inductor structure
US9871499B2 (en) 2013-03-15 2018-01-16 Qorvo Us, Inc. Multi-band impedance tuners using weakly-coupled LC resonators
US9685928B2 (en) 2013-08-01 2017-06-20 Qorvo Us, Inc. Interference rejection RF filters
US9484879B2 (en) 2013-06-06 2016-11-01 Qorvo Us, Inc. Nonlinear capacitance linearization
US9966981B2 (en) 2013-06-06 2018-05-08 Qorvo Us, Inc. Passive acoustic resonator based RF receiver
US9780817B2 (en) 2013-06-06 2017-10-03 Qorvo Us, Inc. RX shunt switching element-based RF front-end circuit
US9705542B2 (en) 2013-06-06 2017-07-11 Qorvo Us, Inc. Reconfigurable RF filter
US9800282B2 (en) 2013-06-06 2017-10-24 Qorvo Us, Inc. Passive voltage-gain network
WO2016022957A1 (en) 2014-08-07 2016-02-11 Henkel Ag & Co. Kgaa Continuous coating apparatus for electroceramic coating of cable
US10796835B2 (en) 2015-08-24 2020-10-06 Qorvo Us, Inc. Stacked laminate inductors for high module volume utilization and performance-cost-size-processing-time tradeoff
WO2017134635A1 (en) * 2016-02-04 2017-08-10 Clear-Cut Medical Ltd. Mri imaging system using permanent magnet array
US10692645B2 (en) 2016-03-23 2020-06-23 Qorvo Us, Inc. Coupled inductor structures
US10739428B2 (en) * 2016-04-18 2020-08-11 Andrew F. McDowell Extended continuous passive shimming of magnets
DK3452590T3 (da) * 2016-05-06 2022-01-24 Stemcell Tech Inc Plademagnet
US10224135B2 (en) 2016-08-08 2019-03-05 Aspect Imaging Ltd. Device, system and method for obtaining a magnetic measurement with permanent magnets
US11988730B2 (en) 2016-08-08 2024-05-21 Aspect Imaging Ltd. Device, system and method for obtaining a magnetic measurement with permanent magnets
US11287497B2 (en) 2016-08-08 2022-03-29 Aspect Imaging Ltd. Device, system and method for obtaining a magnetic measurement with permanent magnets
US11139238B2 (en) 2016-12-07 2021-10-05 Qorvo Us, Inc. High Q factor inductor structure
US10847294B2 (en) * 2017-07-10 2020-11-24 Aspect Imaging Ltd. System for generating a magnetic field
DE102017220709B4 (de) 2017-11-20 2019-05-29 Bruker Biospin Ag MAS-NMR-Rotorsystem mit verbesserter Raumnutzung
CN108287173A (zh) * 2018-01-12 2018-07-17 中国石油大学(北京) 便携式核磁共振探测装置
FR3077413B1 (fr) * 2018-01-26 2022-03-11 Whylot Sas Aimant unitaire avec formes en retrait destinees a faire partie de zones de contact entre des aimants adjacents
FR3077414B1 (fr) * 2018-01-26 2022-03-11 Whylot Sas Aimant unitaire a configuration ovoide et structure d'aimant a plusieurs aimants unitaires
DE102018214213A1 (de) 2018-08-22 2020-02-27 Bruker Biospin Gmbh Permanentmagnetanordnung zur Erzeugung eines homogenen Feldes ("3D-Halbach")
DE102018220170A1 (de) 2018-11-23 2020-05-28 Bruker Biospin Gmbh Halbach-Magnetanordnung mit Notch
US11875937B2 (en) 2018-11-29 2024-01-16 Epsitau Ltd. Lightweight asymmetric array of magnet elements
AU2019387628A1 (en) 2018-11-29 2021-07-22 Epsitau Ltd. Lightweight asymmetric magnet arrays
US20210405137A1 (en) 2018-11-29 2021-12-30 Epsitau Ltd. Lightweight asymmetric magnet arrays with mixed-phase magnet rings
JP7691749B2 (ja) * 2019-08-24 2025-06-12 ナナリシス コーポレーション 磁石構造
US11422213B2 (en) 2019-12-10 2022-08-23 Hyperfine Operations, Inc. Ferromagnetic frame for magnetic resonance imaging
CN115552269B (zh) * 2019-12-10 2026-03-13 海珀菲纳运营有限公司 用于磁共振成像的具有非铁磁框架的永磁体装配件
CN111353247B (zh) * 2020-02-28 2021-10-26 南京航空航天大学 陶瓷基复合材料平纹编织结构细观组分识别与重建方法
WO2023049989A1 (en) * 2021-09-28 2023-04-06 Nanalysis Corp. Magnet configurations
DE102022202399A1 (de) 2022-03-10 2023-09-14 Bruker Biospin Gmbh NMR Permanentmagnet in Halbach-Anordnung basierend auf Segmenten mit regulärer Polyedergeometrie sowie Herstellungsverfahren
WO2024055128A1 (en) * 2022-09-16 2024-03-21 Nanalysis Corp. Magnet structures
CN119099208A (zh) * 2024-08-29 2024-12-10 西安交通大学 一种实现磁性光变油墨防伪的磁定向装置及方法

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4837542A (en) * 1988-05-27 1989-06-06 The United States Of America As Represented By The Secretary Of The Army Hollow substantially hemispherical permanent magnet high-field flux source for producing a uniform high field
US5028903A (en) * 1986-10-17 1991-07-02 Centre National De La Recherche Scientifique Spherical permanent magnet with equatorial access
US5418462A (en) * 1994-05-02 1995-05-23 Applied Superconetics, Inc. Method for determining shim placement on tubular magnet
US6680663B1 (en) * 2000-03-24 2004-01-20 Iowa State University Research Foundation, Inc. Permanent magnet structure for generation of magnetic fields
WO2007120057A1 (en) * 2006-04-18 2007-10-25 Victoria Link Limited Magnetic field-generating apparatus
US20110137589A1 (en) * 2009-12-02 2011-06-09 Nanalysis Corp. Method and apparatus for producing homogeneous magnetic fields
US8009001B1 (en) * 2007-02-26 2011-08-30 The Boeing Company Hyper halbach permanent magnet arrays
EP2365353A1 (de) * 2010-02-11 2011-09-14 Forschungszentrum Jülich Gmbh Halbach Magnet für die magnetische Resonanz, der sich ohne Kraftaufwand öffnen und schliessen lässt
US8405479B1 (en) * 2009-12-22 2013-03-26 The Boeing Company Three-dimensional magnet structure and associated method
US20130127285A1 (en) * 2010-08-04 2013-05-23 National Institute Of Advanced Industrial Science And Technology Multiple pole spherical stepping motor and multiple pole spherical ac servo motor

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US5119057A (en) * 1989-10-19 1992-06-02 New York University Optimum design of two-dimensional permanent magnets
US5103200A (en) * 1991-06-03 1992-04-07 The United States Of America As Represented By The Secretary Of The Army High-field, permanent magnet flux source
JP3146711B2 (ja) 1992-12-24 2001-03-19 株式会社村田製作所 溝入りマグネットおよびその製造方法
EP0675554A1 (en) 1994-03-24 1995-10-04 Nec Corporation Magnetoresistive effect element
JPH0990009A (ja) * 1995-09-21 1997-04-04 Sumitomo Special Metals Co Ltd Ｅｓｒ装置用磁界発生装置
JP3071781B2 (ja) 1997-10-22 2000-07-31 アルプス電気株式会社 交換結合膜、前記交換結合膜を用いた磁気抵抗効果素子、ならびに、前記磁気抵抗効果素子を用いた薄膜磁気ヘッド
JP2000357608A (ja) * 1999-06-14 2000-12-26 Sumitomo Special Metals Co Ltd 磁界発生装置
JP4623848B2 (ja) * 2001-03-23 2011-02-02 日立金属株式会社 磁界発生装置
JP2003001562A (ja) * 2001-06-22 2003-01-08 Toshiba Corp ドレッサおよび研磨装置ならびに半導体ウエハの研磨方法
US7373716B2 (en) 2003-10-22 2008-05-20 Dexter Magnetic Technologies, Inc. Method for constructing permanent magnet assemblies
JP4558563B2 (ja) * 2005-04-11 2010-10-06 信越化学工業株式会社 永久磁石式磁界発生装置
US20090309682A1 (en) * 2008-06-13 2009-12-17 Northrop Grumman Guidance And Electronic Company, Inc. Eight-fold dipole magnet array for generating a uniform magnetic field
WO2012035162A2 (en) * 2010-09-16 2012-03-22 Ago Samoson Nmr probeheads and methods with multi-functional sample rotation
IL214482A0 (en) * 2011-08-07 2011-09-27 Ehud Katznelson Magnetic encolsure and method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5028903A (en) * 1986-10-17 1991-07-02 Centre National De La Recherche Scientifique Spherical permanent magnet with equatorial access
US4837542A (en) * 1988-05-27 1989-06-06 The United States Of America As Represented By The Secretary Of The Army Hollow substantially hemispherical permanent magnet high-field flux source for producing a uniform high field
US5418462A (en) * 1994-05-02 1995-05-23 Applied Superconetics, Inc. Method for determining shim placement on tubular magnet
US6680663B1 (en) * 2000-03-24 2004-01-20 Iowa State University Research Foundation, Inc. Permanent magnet structure for generation of magnetic fields
WO2007120057A1 (en) * 2006-04-18 2007-10-25 Victoria Link Limited Magnetic field-generating apparatus
US8009001B1 (en) * 2007-02-26 2011-08-30 The Boeing Company Hyper halbach permanent magnet arrays
US20110137589A1 (en) * 2009-12-02 2011-06-09 Nanalysis Corp. Method and apparatus for producing homogeneous magnetic fields
US8405479B1 (en) * 2009-12-22 2013-03-26 The Boeing Company Three-dimensional magnet structure and associated method
EP2365353A1 (de) * 2010-02-11 2011-09-14 Forschungszentrum Jülich Gmbh Halbach Magnet für die magnetische Resonanz, der sich ohne Kraftaufwand öffnen und schliessen lässt
US20130127285A1 (en) * 2010-08-04 2013-05-23 National Institute Of Advanced Industrial Science And Technology Multiple pole spherical stepping motor and multiple pole spherical ac servo motor

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Title
"Polyhedra and Packings" (Steurer et al) in "Crystallography of Quasicrystals", SpringerSeries in Materials Science Vol. 126, 2009. Available online at:http://www.springen.com/cda/content/docurnent/cda_downloaddocument/9783642018985-c1.pdf?SGWID=0-0-45-790804-p173903517 *Fig. 2.4b* *
Windt et al. (2011) A portable Halbach magnet that can be opened and closed without force: The NMR-CUFF. Journal of Magnetic Resonance. Vol. 208, pp. 27-33. *

Also Published As

Publication number Publication date
BR112015030364A2 (pt) 2017-07-25
US20150061680A1 (en) 2015-03-05
BR112015030364B1 (pt) 2022-02-08
HK1217814A1 (zh) 2017-01-20
WO2014194408A1 (en) 2014-12-11
JP6473142B2 (ja) 2019-02-20
EP3005379A4 (en) 2017-06-07
EP3005379A1 (en) 2016-04-13
CN105408970B (zh) 2018-03-13
NZ714921A (en) 2020-03-27
CA2913801A1 (en) 2014-12-11
CN105408970A (zh) 2016-03-16
AU2014277569B2 (en) 2018-02-01
AU2014277569A1 (en) 2015-12-24
GB201521572D0 (en) 2016-01-20
AU2014277569C1 (en) 2018-08-23
GB2529785A (en) 2016-03-02
CA2913801C (en) 2021-08-24
JP2016522412A (ja) 2016-07-28
US9952294B2 (en) 2018-04-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20240602