CA2017299A1 - Magnetometre squid et systeme de mesure biomagnetique utilisant ce magnetometre - Google Patents

Magnetometre squid et systeme de mesure biomagnetique utilisant ce magnetometre

Info

Publication number
CA2017299A1
CA2017299A1 CA2017299A CA2017299A CA2017299A1 CA 2017299 A1 CA2017299 A1 CA 2017299A1 CA 2017299 A CA2017299 A CA 2017299A CA 2017299 A CA2017299 A CA 2017299A CA 2017299 A1 CA2017299 A1 CA 2017299A1
Authority
CA
Canada
Prior art keywords
squid
magnetic shield
same
integrated
substrate
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
CA2017299A
Other languages
English (en)
Other versions
CA2017299C (fr
Inventor
Koichi Yokosawa
Hideaki Nakane
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
Publication of CA2017299A1 publication Critical patent/CA2017299A1/fr
Application granted granted Critical
Publication of CA2017299C publication Critical patent/CA2017299C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/035—Measuring direction or magnitude of magnetic fields or magnetic flux using superconductive devices
    • G01R33/0354—SQUIDS
    • G01R33/0358—SQUIDS coupling the flux to the SQUID
    • 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
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/842—Measuring and testing
    • Y10S505/843—Electrical
    • Y10S505/845—Magnetometer
    • Y10S505/846—Magnetometer using superconductive quantum interference device, i.e. squid

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Superconductor Devices And Manufacturing Methods Thereof (AREA)
  • Measuring Magnetic Variables (AREA)
CA002017299A 1989-05-25 1990-05-22 Magnetometre squid et systeme de mesure biomagnetique utilisant ce magnetometre Expired - Fee Related CA2017299C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP01-132413 1989-05-25
JP1132413A JP2893714B2 (ja) 1989-05-25 1989-05-25 薄膜型ｓｑｕｉｄ磁束計およびこれを用いた生体磁気計測装置

Publications (2)

Publication Number Publication Date
CA2017299A1 true CA2017299A1 (fr) 1990-11-25
CA2017299C CA2017299C (fr) 1998-12-01

Family

ID=15080808

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002017299A Expired - Fee Related CA2017299C (fr) 1989-05-25 1990-05-22 Magnetometre squid et systeme de mesure biomagnetique utilisant ce magnetometre

Country Status (5)

Country Link
US (1) US5166614A (fr)
EP (1) EP0399499B1 (fr)
JP (1) JP2893714B2 (fr)
CA (1) CA2017299C (fr)
DE (1) DE69019418T2 (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5506200A (en) * 1992-02-06 1996-04-09 Biomagnetic Technologies, Inc. Compact superconducting magnetometer having no vacuum insulation
FI89130C (fi) * 1990-11-01 1993-08-25 Neuromag Oy Lokaliseringsspolar och anordning foer deras faestning vid huvudet foer anvaendning i magnetoenkefalografiska maetningar
FI89417C (fi) * 1990-12-21 1993-09-27 Neuromag Oy Detektorspole foer maetning av magnetfaelt
FI89131C (fi) * 1990-12-21 1993-08-25 Neuromag Oy Magnetometerdetektor och deras montage i en flerkanalig anordning foer maetning av maenskans hjaernfunktioner alstrande magnetfaelt
US5173660A (en) * 1990-12-26 1992-12-22 Biomagnetic Technologies, Inc. Packaged squid system with integral superconducting shielding layer
JP2764115B2 (ja) † 1991-02-26 1998-06-11 セイコーインスツルメンツ株式会社 高感度磁場検出器の製造方法
DE59107161D1 (de) * 1991-03-11 1996-02-08 Siemens Ag SQUID-Messeinrichtung mit Abschirmmitteln
JPH05297089A (ja) * 1992-04-20 1993-11-12 Sumitomo Electric Ind Ltd 磁気センサ
DE4227877A1 (de) * 1992-08-22 1994-02-24 Philips Patentverwaltung Miniaturisiertes SQUID-Modul, insbesondere für Vielkanal-Magnetometer
JPH0817251B2 (ja) * 1993-01-07 1996-02-21 株式会社超伝導センサ研究所 Ｓｑｕｉｄ磁束計
US5459399A (en) * 1994-06-08 1995-10-17 Otis Elevator Company Trap for preventing mixing of flux between adjacent indicia and being disposed adjacent first and second sensors
DE4433331C2 (de) * 1994-09-19 2002-06-20 Siemens Ag Magnetfeldempfindliche SQUID-Sensoreinrichtung mit Flußtransformator unter Verwendung von Hoch-T¶c¶-Supraleitermaterial
JPH08313609A (ja) * 1995-05-22 1996-11-29 Seiko Instr Inc 径方向微分型ｓｑｕｉｄ磁束計
JP3459506B2 (ja) * 1995-11-17 2003-10-20 清水建設株式会社 鋼材の塑性化判別方法
JP2909807B2 (ja) * 1995-11-22 1999-06-23 セイコーインスツルメンツ株式会社 超伝導量子干渉素子磁束計および非破壊検査装置
JP2000091653A (ja) * 1998-09-07 2000-03-31 Seiko Instruments Inc 超伝導量子干渉素子
JP4695325B2 (ja) * 2001-09-17 2011-06-08 キヤノン電子株式会社 磁気検出素子とその製造方法及び該素子を用いた携帯機器
US7130675B2 (en) * 2002-06-28 2006-10-31 Tristan Technologies, Inc. High-resolution magnetoencephalography system and method
US7197352B2 (en) * 2002-08-26 2007-03-27 Tristan Technologies, Inc. High-resolution magnetoencephalography system, components and method
AU2003263757A1 (en) * 2002-08-26 2004-03-11 Tristan Technologies, Inc. High-resolution magnetoencephalography system and method
US7615385B2 (en) 2006-09-20 2009-11-10 Hypres, Inc Double-masking technique for increasing fabrication yield in superconducting electronics
JP5253926B2 (ja) * 2008-08-22 2013-07-31 住友重機械工業株式会社 脳磁計
US8571614B1 (en) 2009-10-12 2013-10-29 Hypres, Inc. Low-power biasing networks for superconducting integrated circuits
US10222416B1 (en) 2015-04-14 2019-03-05 Hypres, Inc. System and method for array diagnostics in superconducting integrated circuit
WO2019060298A1 (fr) 2017-09-19 2019-03-28 Neuroenhancement Lab, LLC Procédé et appareil de neuro-activation
US11717686B2 (en) 2017-12-04 2023-08-08 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement to facilitate learning and performance
US11273283B2 (en) 2017-12-31 2022-03-15 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement to enhance emotional response
US12280219B2 (en) 2017-12-31 2025-04-22 NeuroLight, Inc. Method and apparatus for neuroenhancement to enhance emotional response
US11364361B2 (en) 2018-04-20 2022-06-21 Neuroenhancement Lab, LLC System and method for inducing sleep by transplanting mental states
EP3849410A4 (fr) 2018-09-14 2022-11-02 Neuroenhancement Lab, LLC Système et procédé d'amélioration du sommeil
US11786694B2 (en) 2019-05-24 2023-10-17 NeuroLight, Inc. Device, method, and app for facilitating sleep

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3247585A1 (de) * 1982-12-22 1984-06-28 Siemens AG, 1000 Berlin und 8000 München Mehrkanalige vorrichtung zur messung von verschiedenen feldquellen hervorgerufener schwacher magnetfelder
DE3247543A1 (de) * 1982-12-22 1984-06-28 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur mehrkanaligen messung schwacher, sich aendernder magnetfelder und verfahren zu ihrer herstellung
EP0184670B1 (fr) * 1984-11-19 1990-03-07 Siemens Aktiengesellschaft Procédé pour la construction d'un gradiomètre supraconductif ayant une structure tridimensionnelle pour un dispositif de mesure des champs magnétiques faibles
DE3515237A1 (de) * 1985-04-26 1986-10-30 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur messung schwacher magnetfelder mit wenigstens einem dc-squid
DE3515199A1 (de) * 1985-04-26 1986-11-06 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur messung schwacher magnetfelder mit mehreren gradiometern
EP0246419B1 (fr) * 1986-05-21 1991-04-10 Siemens Aktiengesellschaft SQUID-magnétomètre pour un dispositif de mesure des champs magnétiques faibles
JP2749048B2 (ja) * 1988-02-05 1998-05-13 株式会社日立製作所 超電導量子干渉計

Also Published As

Publication number Publication date
JPH02310484A (ja) 1990-12-26
JP2893714B2 (ja) 1999-05-24
CA2017299C (fr) 1998-12-01
EP0399499A3 (fr) 1991-06-05
EP0399499A2 (fr) 1990-11-28
EP0399499B1 (fr) 1995-05-17
DE69019418T2 (de) 1996-01-25
US5166614A (en) 1992-11-24
DE69019418D1 (de) 1995-06-22

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