PL3614164T3 - Ekran magnetyczny do użytku z magnetometrami - Google Patents

Ekran magnetyczny do użytku z magnetometrami

Info

Publication number
PL3614164T3
PL3614164T3 PL19189690.1T PL19189690T PL3614164T3 PL 3614164 T3 PL3614164 T3 PL 3614164T3 PL 19189690 T PL19189690 T PL 19189690T PL 3614164 T3 PL3614164 T3 PL 3614164T3
Authority
PL
Poland
Prior art keywords
magnetometers
magnetic shield
shield
magnetic
Prior art date
Application number
PL19189690.1T
Other languages
English (en)
Inventor
David Woolger
Original Assignee
Magnetic Shields Limited
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 Magnetic Shields Limited filed Critical Magnetic Shields Limited
Publication of PL3614164T3 publication Critical patent/PL3614164T3/pl

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
    • G01R33/42—Screening
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/007—Environmental aspects, e.g. temperature variations, radiation, stray fields
    • G01R33/0076—Protection, e.g. with housings against stray fields
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/025—Compensating stray fields
    • 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
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/26—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux using optical pumping
    • 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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • 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
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • 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
    • G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/42—Screening
    • G01R33/421—Screening of main or gradient magnetic field
    • 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
    • G01R33/42—Screening
    • G01R33/421—Screening of main or gradient magnetic field
    • G01R33/4215—Screening of main or gradient magnetic field of the gradient magnetic field, e.g. using passive or active shielding of the gradient magnetic field
    • 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]
    • G01R33/445—MR involving a non-standard magnetic field B0, e.g. of low magnitude as in the earth's magnetic field or in nanoTesla spectroscopy, comprising a polarizing magnetic field for pre-polarisation, B0 with a temporal variation of its magnitude or direction such as field cycling of B0 or rotation of the direction of B0, or spatially inhomogeneous B0 like in fringe-field MR or in stray-field imaging

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
PL19189690.1T 2018-08-24 2019-08-01 Ekran magnetyczny do użytku z magnetometrami PL3614164T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1813886.7A GB2576579A (en) 2018-08-24 2018-08-24 Magnetic shield device

Publications (1)

Publication Number Publication Date
PL3614164T3 true PL3614164T3 (pl) 2026-03-02

Family

ID=63715290

Family Applications (1)

Application Number Title Priority Date Filing Date
PL19189690.1T PL3614164T3 (pl) 2018-08-24 2019-08-01 Ekran magnetyczny do użytku z magnetometrami

Country Status (6)

Country Link
US (1) US11782099B2 (pl)
EP (1) EP3614164B1 (pl)
CN (1) CN110907870B (pl)
ES (1) ES3056734T3 (pl)
GB (1) GB2576579A (pl)
PL (1) PL3614164T3 (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112089417B (zh) * 2020-09-23 2024-02-13 北京昆迈医疗科技有限公司 脊磁图系统、脊磁图处理方法及装置
CN116440960B (zh) * 2023-03-16 2025-05-06 杭州极弱磁场重大科技基础设施研究院 一种在极弱磁条件下制备多相反应催化剂的设备及方法
CN119375791B (zh) * 2024-12-30 2025-02-25 中交第一航务工程局有限公司 一种混凝土材料剩余磁场强度自动化检测装置及方法

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4692705A (en) * 1983-12-23 1987-09-08 General Electric Company Radio frequency field coil for NMR
DE3511750A1 (de) * 1985-03-30 1986-10-09 Philips Patentverwaltung Gmbh, 2000 Hamburg Spulenanordnung fuer kernspinuntersuchungen
JPS63216553A (ja) * 1987-03-06 1988-09-08 株式会社東芝 Ｍｒｉ用ｒｆセルフシ−ルド
US5920539A (en) * 1995-01-25 1999-07-06 Discovision Associates Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor
IT1306601B1 (it) * 1996-08-22 2001-06-18 Esaote Spa Disposizione di schermaggio elettromagnetico per apparecchiature arisonanza magnetica nucleare
JP3237590B2 (ja) * 1997-10-24 2001-12-10 株式会社日立製作所 磁場計測装置
JPH11128193A (ja) * 1997-10-29 1999-05-18 Hitachi Ltd 生体磁気計測装置
US7529575B2 (en) * 1998-10-05 2009-05-05 Esaote S.P.A. Nuclear magnetic resonance imaging device
JP3518502B2 (ja) * 2000-10-19 2004-04-12 株式会社日立製作所 生体磁場計測装置
JP3454246B2 (ja) * 2000-10-30 2003-10-06 株式会社日立製作所 磁場計測装置
JP2003339659A (ja) * 2002-05-23 2003-12-02 Hitachi Ltd 超電導磁気シールド装置
JP4263544B2 (ja) * 2003-06-23 2009-05-13 株式会社日立ハイテクノロジーズ 磁場計測装置
JP3699967B2 (ja) * 2003-10-31 2005-09-28 株式会社日立製作所 生体磁場計測装置
JP4521239B2 (ja) * 2004-09-10 2010-08-11 株式会社日立ハイテクノロジーズ 磁場遮蔽装置及び生体磁場計測装置
JP4671770B2 (ja) 2005-06-10 2011-04-20 株式会社日立ハイテクノロジーズ 磁場計測装置
US7327137B1 (en) * 2006-11-14 2008-02-05 Ge Homeland Protection, Inc. Apparatus and method for non-symmetric magnetic field balancing in an inspection scanner
US8203342B2 (en) * 2006-12-21 2012-06-19 Hitachi, Ltd. Nuclear magnetic resonance imaging system and coil unit
EP2142090A4 (en) * 2007-05-04 2011-07-20 California Inst Of Techn LOW FIELD SQUID MRI DEVICES, COMPONENTS AND METHODS
US8390286B2 (en) * 2007-05-18 2013-03-05 Los Alamos National Security, Llc Ultra-low field nuclear magnetic resonance and magnetic resonance imaging to discriminate and identify materials
JP4960843B2 (ja) * 2007-11-29 2012-06-27 新日鉄エンジニアリング株式会社 磁気シールド装置、磁気シールドシステム
US7994783B2 (en) * 2008-02-08 2011-08-09 The Regents Of The Univerisity Of California Integrated microchip incorporating atomic magnetometer and microfluidic channel for NMR and MRI
JP2009254747A (ja) * 2008-04-21 2009-11-05 Sumitomo Heavy Ind Ltd 磁気シールド体及び脳磁計
US9140657B2 (en) * 2009-04-13 2015-09-22 The Regents Of The University Of California Detection of J-coupling using atomic magnetometer
CN102136337B (zh) * 2010-12-08 2012-03-28 中国科学院电工研究所 高磁场高均匀度核磁共振超导磁体系统
KR101287426B1 (ko) * 2011-10-26 2013-07-18 한국표준과학연구원 극저자기장 핵자기 공명 물체 식별 방법 및 극저자기장 핵자기 공명 물체 식별 장치
US9279871B2 (en) * 2011-12-20 2016-03-08 General Electric Company System and apparatus for compensating for magnetic field distortion in an MRI system
KR101310750B1 (ko) * 2012-01-31 2013-09-24 한국표준과학연구원 생체자기공명 장치 및 그 측정 방법
DE102012203450B4 (de) * 2012-03-05 2015-03-12 Siemens Aktiengesellschaft Magnetresonanzeinrichtung mit einer zylindrischen Patientenaufnahme und Patientenkapsel
US9675271B2 (en) * 2013-03-13 2017-06-13 Viewray Technologies, Inc. Systems and methods for radiotherapy with magnetic resonance imaging
EP2851702A1 (en) * 2013-09-11 2015-03-25 Seiko Epson Corporation Magnetic shielding apparatus and magnetic shielding method
US9989605B2 (en) * 2013-11-22 2018-06-05 Toshiba Medical Systems Corporation Magnetic resonance imaging apparatus
JP6449920B2 (ja) * 2014-06-27 2019-01-09 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 荷電粒子ビーム治療及び磁気共鳴イメージング
US20160076924A1 (en) * 2014-09-16 2016-03-17 Spinlock Srl Field cycling magnetic resonance based method and apparatus to measure and analyze flow properties in flowing complex fluids
KR101871214B1 (ko) * 2016-08-19 2018-06-27 부산대학교 산학협력단 실드 구조물 및 전류 센서
US10627464B2 (en) * 2016-11-22 2020-04-21 Hyperfine Research, Inc. Low-field magnetic resonance imaging methods and apparatus
US11029378B2 (en) * 2016-12-14 2021-06-08 Aspect Imaging Ltd. Extendable radiofrequency shield for magnetic resonance imaging device
CN106772140A (zh) * 2016-12-23 2017-05-31 北京航空航天大学 基于主被动复合屏蔽的平面磁场扫描成像系统

Also Published As

Publication number Publication date
CN110907870A (zh) 2020-03-24
US11782099B2 (en) 2023-10-10
CN110907870B (zh) 2022-08-12
EP3614164A3 (en) 2020-03-04
EP3614164B1 (en) 2025-10-01
GB201813886D0 (en) 2018-10-10
GB2576579A (en) 2020-02-26
ES3056734T3 (en) 2026-02-24
EP3614164A2 (en) 2020-02-26
US20200064428A1 (en) 2020-02-27
EP3614164C0 (en) 2025-10-01

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