[go: up one dir, main page]

AU2001271603A1 - Low power magnetic anomaly sensor - Google Patents

Low power magnetic anomaly sensor

Info

Publication number
AU2001271603A1
AU2001271603A1 AU2001271603A AU7160301A AU2001271603A1 AU 2001271603 A1 AU2001271603 A1 AU 2001271603A1 AU 2001271603 A AU2001271603 A AU 2001271603A AU 7160301 A AU7160301 A AU 7160301A AU 2001271603 A1 AU2001271603 A1 AU 2001271603A1
Authority
AU
Australia
Prior art keywords
low power
magnetic anomaly
power magnetic
anomaly sensor
sensor
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.)
Abandoned
Application number
AU2001271603A
Inventor
Richard Spitzer
E. James Torok
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.)
Integrated Magnetoelectronics Corp
Original Assignee
Integrated Magnetoelectronics 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 Integrated Magnetoelectronics Corp filed Critical Integrated Magnetoelectronics Corp
Publication of AU2001271603A1 publication Critical patent/AU2001271603A1/en
Abandoned 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
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09—Magnetoresistive devices
    • G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • 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
    • G01R33/04—Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Measuring Magnetic Variables (AREA)
  • Hall/Mr Elements (AREA)
AU2001271603A 2000-07-11 2001-06-27 Low power magnetic anomaly sensor Abandoned AU2001271603A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US21778000P 2000-07-11 2000-07-11
US60217780 2000-07-11
US09/883,644 US6538437B2 (en) 2000-07-11 2001-06-18 Low power magnetic anomaly sensor
US09883644 2001-06-18
PCT/US2001/020688 WO2002004969A1 (en) 2000-07-11 2001-06-27 Low power magnetic anomaly sensor

Publications (1)

Publication Number Publication Date
AU2001271603A1 true AU2001271603A1 (en) 2002-01-21

Family

ID=26912252

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001271603A Abandoned AU2001271603A1 (en) 2000-07-11 2001-06-27 Low power magnetic anomaly sensor

Country Status (5)

Country Link
US (1) US6538437B2 (en)
EP (1) EP1307756A4 (en)
JP (1) JP2004515746A (en)
AU (1) AU2001271603A1 (en)
WO (1) WO2002004969A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6911826B2 (en) * 2001-06-12 2005-06-28 General Electric Company Pulsed eddy current sensor probes and inspection methods
FR2828740B1 (en) * 2001-08-16 2003-12-05 Commissariat Energie Atomique METHOD FOR STABILIZING A MAGNETOMETER SIGNAL, AND STABILIZED MAGNETOMETERS
EP1438593A4 (en) * 2001-11-19 2005-03-30 Chk Wireless Technologies Aust Method and apparatus for determining a current in a conductor
US7074623B2 (en) * 2002-06-07 2006-07-11 Amberwave Systems Corporation Methods of forming strained-semiconductor-on-insulator finFET device structures
FR2858060B1 (en) * 2003-07-25 2006-01-13 Univ Pasteur METHOD AND DEVICE FOR MEASURING A MAGNETIC FIELD IN AT LEAST ONE DIRECTION
US7227711B2 (en) * 2004-10-29 2007-06-05 Hitachi Global Storage Technologies Netherlands B.V. System, method, and apparatus for in-situ stray magnetic field measurement
GB2478691B (en) * 2006-04-13 2011-10-26 Tiax Llc An Orientation Sensor Error Reduction Method
EP2413154B1 (en) 2010-07-30 2013-04-17 Nxp B.V. Magnetoresistive Sensor
US20150108974A1 (en) * 2012-04-12 2015-04-23 Institute Of Geological And Nuclear Sciences Limited Magnetometer
US9104922B2 (en) * 2012-06-15 2015-08-11 Honeywell International Inc. Anisotropic magneto-resistance (AMR) gradiometer/magnetometer to read a magnetic track
BR112015012262A2 (en) 2012-12-31 2017-07-11 Halliburton Energy Services Inc machine readable apparatus, method and storage device
US9519034B2 (en) 2014-05-15 2016-12-13 Everspin Technologies, Inc. Bipolar chopping for 1/F noise and offset reduction in magnetic field sensors
US9470765B1 (en) * 2015-08-07 2016-10-18 Allegro Microsystems, Llc Magnetic sensor having enhanced linearization by applied field angle rotation
US9741923B2 (en) 2015-09-25 2017-08-22 Integrated Magnetoelectronics Corporation SpinRAM
US10762940B2 (en) 2016-12-09 2020-09-01 Integrated Magnetoelectronics Corporation Narrow etched gaps or features in multi-period thin-film structures
US10527686B1 (en) * 2017-11-06 2020-01-07 United States Of America As Represented By The Secretary Of The Navy Method and system for performing magnetic anomaly sensing
US10761153B2 (en) * 2018-05-07 2020-09-01 Infineon Technologies Ag Magnetic sensor with an asymmetric wheatstone bridge
CN113098473B (en) * 2021-03-01 2022-11-04 电子科技大学 A giant magnetoresistance magnetic bipolar switch sensor with adjustable switching field area
US20240019469A1 (en) * 2022-06-20 2024-01-18 Dave Engineering, Llc Synchronous revenue grade power sensor

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972786A (en) 1974-06-28 1976-08-03 Ampex Corporation Mechanically enhanced magnetic memory
US4277751A (en) 1978-09-29 1981-07-07 Neil Brown Instruments Systems, Inc. Low-power magnetometer circuit with constant current drive
US4384254A (en) 1980-06-06 1983-05-17 The United States Of America As Represented By The Secretary Of The Navy Oscillator/driver circuit for fluxgate magnetometer
US4356523A (en) 1980-06-09 1982-10-26 Ampex Corporation Narrow track magnetoresistive transducer assembly
US4751677A (en) 1986-09-16 1988-06-14 Honeywell Inc. Differential arrangement magnetic memory cell
GB2201786B (en) * 1987-03-06 1990-11-28 Gen Electric Plc Magnetometers
GB2202635B (en) * 1987-03-26 1991-10-30 Devon County Council Detection of magnetic fields
US4914381A (en) 1987-05-28 1990-04-03 Barrigar & Oyen Direct-coupled fluxgate current sensor
US4887003A (en) 1988-05-10 1989-12-12 Parker William P Screen printable luminous panel display device
JPH07113664B2 (en) * 1990-02-26 1995-12-06 シャープ株式会社 Superconducting magnetic field distribution measuring device
US5173873A (en) 1990-06-28 1992-12-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration High speed magneto-resistive random access memory
US5577008A (en) 1992-07-07 1996-11-19 Asahi Kogaku Kogyo Kabushiki Kaisha Magneto-optical disk drive system
US5519318A (en) * 1992-12-28 1996-05-21 The United States Of America As Represented By The Secretary Of The Navy Triaxial magnetic heading sensing apparatus having magnetaresistors and nulling coils
US5422621A (en) 1993-10-29 1995-06-06 International Business Machines Corporation Oriented granular giant magnetoresistance sensor
FR2712420B1 (en) 1993-11-08 1995-12-15 Commissariat Energie Atomique Magnetic read head with multilayer magnetoresistive element and concentrator and method of making the same.
US5650889A (en) 1994-02-07 1997-07-22 Hitachi, Ltd. Magnetic recording medium containing heavy rare gas atoms, and a magnetic transducing system using the medium
EP0704061A1 (en) * 1994-04-15 1996-04-03 Koninklijke Philips Electronics N.V. A magnetic field sensor, an instrument comprising such a sensor and a method of manufacturing such a sensor
US5561368A (en) * 1994-11-04 1996-10-01 International Business Machines Corporation Bridge circuit magnetic field sensor having spin valve magnetoresistive elements formed on common substrate
US5652445A (en) 1995-04-21 1997-07-29 Johnson; Mark B. Hybrid hall effect device and method of operation
US5654566A (en) 1995-04-21 1997-08-05 Johnson; Mark B. Magnetic spin injected field effect transistor and method of operation
US5585986A (en) 1995-05-15 1996-12-17 International Business Machines Corporation Digital magnetoresistive sensor based on the giant magnetoresistance effect
DE19520178A1 (en) * 1995-06-01 1996-12-05 Siemens Ag Magnetization device for magnetoresistive thin-film sensor elements in a bridge circuit
DE19520172A1 (en) * 1995-06-01 1996-12-05 Siemens Ag Magnetization device for a magnetoresistive thin-film sensor element with a bias layer part
EP0789250A3 (en) * 1996-02-12 1997-10-01 Read Rite Corp Thin film giant magnetoresistive cip transducer with flux guide yoke structure
US5650958A (en) 1996-03-18 1997-07-22 International Business Machines Corporation Magnetic tunnel junctions with controlled magnetic response
US5640343A (en) 1996-03-18 1997-06-17 International Business Machines Corporation Magnetic memory array using magnetic tunnel junction devices in the memory cells
US5929636A (en) * 1996-05-02 1999-07-27 Integrated Magnetoelectronics All-metal giant magnetoresistive solid-state component
DE19619806A1 (en) * 1996-05-15 1997-11-20 Siemens Ag Magnetic field sensitive sensor device with several GMR sensor elements
US6166539A (en) * 1996-10-30 2000-12-26 Regents Of The University Of Minnesota Magnetoresistance sensor having minimal hysteresis problems
DE69736463T2 (en) * 1996-12-04 2007-04-19 Koninklijke Philips Electronics N.V. DEVICE FOR DETECTING A MAGNETIC FIELD
GB9704911D0 (en) * 1997-03-10 1997-04-30 Secr Defence A magnetic gradiometer
DE19743335C1 (en) * 1997-09-30 1998-11-12 Siemens Ag Giant magnetoresistive sensor device for external magnetic field detection
US6469927B2 (en) * 2000-07-11 2002-10-22 Integrated Magnetoelectronics Magnetoresistive trimming of GMR circuits

Also Published As

Publication number Publication date
JP2004515746A (en) 2004-05-27
WO2002004969A1 (en) 2002-01-17
EP1307756A1 (en) 2003-05-07
EP1307756A4 (en) 2005-01-26
US20020005717A1 (en) 2002-01-17
US6538437B2 (en) 2003-03-25

Similar Documents

Publication Publication Date Title
AU2003215132A1 (en) Magnetic field sensor
AU2002357807A1 (en) Electric field sensor
AU2002213899A1 (en) Magnetic torque sensor system
AU2001289895A1 (en) Magnet coil
AU2001271603A1 (en) Low power magnetic anomaly sensor
AU2002349497A1 (en) Current sensor
AU6678500A (en) Electric field sensor
AU2002336460A1 (en) Magnetic position sensor
AU2001236959A1 (en) Power control device
AU2001265738A1 (en) Fiber-optic current sensor
AU2001291100A1 (en) Transformer current sensor
AU2002256927A1 (en) Magnetic sensor and direction sensor
AU2001274436A1 (en) Rf current sensor
AU7435901A (en) Power sensing device
AU2003211223A1 (en) Magnetic sensor
GB0119478D0 (en) Magnetic field sensor
AU7696400A (en) Magnetic field sensor
AU2001276507A1 (en) Power amplifier arrangement
AU6762801A (en) Power microjack
AU2001266196A1 (en) Magnetic power amplifier
AU2001293749A1 (en) Magnetic component
AU1791800A (en) Magnetic field sensors
AU2002216133A1 (en) Pressure-fluid-operated power unit
AU2001296210A1 (en) Magnetic engine
AUPQ914600A0 (en) Sensor