DE69022649D1 - Aufnehmerspulenanordnung für Mehrkanalsquidmagnetometer. - Google Patents

Aufnehmerspulenanordnung für Mehrkanalsquidmagnetometer.

Info

Publication number
DE69022649D1
DE69022649D1 DE69022649T DE69022649T DE69022649D1 DE 69022649 D1 DE69022649 D1 DE 69022649D1 DE 69022649 T DE69022649 T DE 69022649T DE 69022649 T DE69022649 T DE 69022649T DE 69022649 D1 DE69022649 D1 DE 69022649D1
Authority
DE
Germany
Prior art keywords
quidmagnetometer
multichannel
coil arrangement
pickup coil
pickup
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
DE69022649T
Other languages
English (en)
Other versions
DE69022649T2 (de
Inventor
Yutaka Igarashi
Takao Goto
Takehiko Hayashi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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
Priority claimed from JP1178858A external-priority patent/JPH0342588A/ja
Priority claimed from JP1223869A external-priority patent/JPH0385139A/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69022649D1 publication Critical patent/DE69022649D1/de
Publication of DE69022649T2 publication Critical patent/DE69022649T2/de
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
    • G01R33/022—Measuring gradient
    • 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
    • Y10S336/00—Inductor devices
    • Y10S336/01—Superconductive

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
DE69022649T 1989-07-10 1990-07-10 Aufnehmerspulenanordnung für Mehrkanalsquidmagnetometer. Expired - Fee Related DE69022649T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1178858A JPH0342588A (ja) 1989-07-10 1989-07-10 多チャンネルｓｑｕｉｄ磁束計用ピックアップコイル
JP1223869A JPH0385139A (ja) 1989-08-30 1989-08-30 生体磁気測定装置のピックアップコイル

Publications (2)

Publication Number Publication Date
DE69022649D1 true DE69022649D1 (de) 1995-11-02
DE69022649T2 DE69022649T2 (de) 1996-02-29

Family

ID=26498910

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69031505T Expired - Fee Related DE69031505T2 (de) 1989-07-10 1990-07-10 Aufnehmerspulenanordnung für Mehrkanal-SQUID-Magnetfeld-Gradiometer
DE69022649T Expired - Fee Related DE69022649T2 (de) 1989-07-10 1990-07-10 Aufnehmerspulenanordnung für Mehrkanalsquidmagnetometer.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69031505T Expired - Fee Related DE69031505T2 (de) 1989-07-10 1990-07-10 Aufnehmerspulenanordnung für Mehrkanal-SQUID-Magnetfeld-Gradiometer

Country Status (3)

Country Link
US (1) US5451871A (de)
EP (2) EP0625712B1 (de)
DE (2) DE69031505T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5307042A (en) * 1992-02-19 1994-04-26 B&D Liquidation Corp. Search coil frame assembly for metal and method for making same
JPH0984777A (ja) * 1995-09-25 1997-03-31 Toshiba Corp 生体磁場計測装置
US7615385B2 (en) 2006-09-20 2009-11-10 Hypres, Inc Double-masking technique for increasing fabrication yield in superconducting electronics
US7671587B2 (en) * 2007-05-04 2010-03-02 California Institute Of Technology Low field SQUID MRI devices, components and methods
US20090322324A1 (en) * 2007-05-04 2009-12-31 Penanen Konstantin I Geometries for superconducting sensing coils for squid-based systems

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2983865A (en) * 1946-04-01 1961-05-09 Wenner Frank Mine detector
US3546580A (en) * 1967-06-06 1970-12-08 North American Rockwell Magnetic field variometer using a low noise amplifier and a coil-core arrangement of minimum weight and maximum sensitivity
IT1171429B (it) * 1981-07-31 1987-06-10 Consiglio Nazionale Ricerche Perfezionamento nei dispositivo per misure biomagnetiche utilizzanti gradiometri a seconda derivata
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
DE3324208A1 (de) * 1983-07-05 1985-01-17 Siemens AG, 1000 Berlin und 8000 München Supraleitendes gradiometerspulensystem fuer eine vorrichtung zur mehrkanaligen messung schwacher, sich aendernder magnetfelder
EP0185186B1 (de) * 1984-11-19 1989-02-01 Siemens Aktiengesellschaft Verfahren zur Herstellung eines dreidimensionalen Gradiometers für eine Vorrichtung zur ein- oder mehrkanaligen Messung schwacher Magnetfelder
US4694567A (en) * 1984-11-19 1987-09-22 Siemens Aktiengesellschaft Method for making a superconducting gradiometer having a three-dimensional structure and associated connecting lines for a device for measuring weak magnetic fields
DE3515199A1 (de) * 1985-04-26 1986-11-06 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur messung schwacher magnetfelder mit mehreren gradiometern
DE3735668A1 (de) * 1987-10-22 1989-05-03 Philips Patentverwaltung Vorrichtung zur mehrkanaligen messung schwacher magnetfelder
US4947118A (en) * 1988-11-21 1990-08-07 Fujitsu Limited Digital squid system adaptive for integrated circuit construction and having high accuracy

Also Published As

Publication number Publication date
EP0408303B1 (de) 1995-09-27
EP0408303A3 (en) 1992-07-15
DE69031505D1 (de) 1997-10-30
EP0625712A3 (de) 1995-01-25
EP0408303A2 (de) 1991-01-16
DE69022649T2 (de) 1996-02-29
EP0625712A2 (de) 1994-11-23
DE69031505T2 (de) 1998-02-05
US5451871A (en) 1995-09-19
EP0625712B1 (de) 1997-09-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee