AU2001264362A1 - A display apparatus of magnetic flux density using 2-d array magnetic sensor and3-d magnetic fluid - Google Patents

A display apparatus of magnetic flux density using 2-d array magnetic sensor and3-d magnetic fluid

Info

Publication number
AU2001264362A1
AU2001264362A1 AU2001264362A AU6436201A AU2001264362A1 AU 2001264362 A1 AU2001264362 A1 AU 2001264362A1 AU 2001264362 A AU2001264362 A AU 2001264362A AU 6436201 A AU6436201 A AU 6436201A AU 2001264362 A1 AU2001264362 A1 AU 2001264362A1
Authority
AU
Australia
Prior art keywords
magnetic
and3
display apparatus
flux density
array
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
AU2001264362A
Inventor
Won-Ha Choi
Moon-Phil Kang
Dae-Jung Kim
Min-Soo Kim
Jin-Yi Lee
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.)
Lacomm Co Ltd
Original Assignee
Lacomm Co 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 Lacomm Co Ltd filed Critical Lacomm Co Ltd
Publication of AU2001264362A1 publication Critical patent/AU2001264362A1/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
    • G01R33/10—Plotting field distribution ; Measuring field distribution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/74—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
AU2001264362A 2000-07-26 2001-06-12 A display apparatus of magnetic flux density using 2-d array magnetic sensor and3-d magnetic fluid Abandoned AU2001264362A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR0043130 2000-07-26
KR10-2000-0043130A KR100376892B1 (en) 2000-07-26 2000-07-26 A display apparatus of magnetic flux dendity using 2D array magnetic sensor and 3D magnetic fluid
PCT/KR2001/000999 WO2002008745A1 (en) 2000-07-26 2001-06-12 A display apparatus of magnetic flux density using 2-d array magnetic sensor and 3-d magnetic fluid

Publications (1)

Publication Number Publication Date
AU2001264362A1 true AU2001264362A1 (en) 2002-02-05

Family

ID=19680105

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001264362A Abandoned AU2001264362A1 (en) 2000-07-26 2001-06-12 A display apparatus of magnetic flux density using 2-d array magnetic sensor and3-d magnetic fluid

Country Status (4)

Country Link
US (1) US6683452B2 (en)
KR (1) KR100376892B1 (en)
AU (1) AU2001264362A1 (en)
WO (1) WO2002008745A1 (en)

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KR100761998B1 (en) * 2006-08-03 2007-09-28 조선대학교산학협력단 Defect detecting apparatus having enhanced detecting ability
GB2449422B (en) * 2007-05-18 2009-09-16 Kraft Foods R & D Inc Improvements in or relating to beverage preparation machines
US20100188078A1 (en) * 2009-01-28 2010-07-29 Andrea Foletto Magnetic sensor with concentrator for increased sensing range
TWI403752B (en) 2009-12-14 2013-08-01 Magqu Co Ltd A device for measuring alternating current magnetic permeability and method of measuring the same
EP2612105A1 (en) * 2010-10-14 2013-07-10 Halliburton Energy Services, Inc. Method for measuring remote field eddy current thickness in multiple tubular configuration
MX341497B (en) * 2011-04-12 2016-08-22 Honda Motor Co Ltd Non-destructive testing device.
US8629539B2 (en) 2012-01-16 2014-01-14 Allegro Microsystems, Llc Methods and apparatus for magnetic sensor having non-conductive die paddle
US9494660B2 (en) 2012-03-20 2016-11-15 Allegro Microsystems, Llc Integrated circuit package having a split lead frame
US9812588B2 (en) 2012-03-20 2017-11-07 Allegro Microsystems, Llc Magnetic field sensor integrated circuit with integral ferromagnetic material
US9666788B2 (en) 2012-03-20 2017-05-30 Allegro Microsystems, Llc Integrated circuit package having a split lead frame
US10234513B2 (en) 2012-03-20 2019-03-19 Allegro Microsystems, Llc Magnetic field sensor integrated circuit with integral ferromagnetic material
KR101441750B1 (en) * 2012-10-19 2014-09-17 주식회사 포스코아이씨티 Apparatus for detecting magnetic flex leakage
US9411025B2 (en) 2013-04-26 2016-08-09 Allegro Microsystems, Llc Integrated circuit package having a split lead frame and a magnet
US10060881B2 (en) 2014-04-16 2018-08-28 Texas Instruments Incorporated Surface sensing method for corrosion sensing via magnetic modulation
US10458822B2 (en) 2016-07-11 2019-10-29 Entegra LLP Dynamic spacer for a smart pipeline inspection gauge
US10921391B2 (en) 2018-08-06 2021-02-16 Allegro Microsystems, Llc Magnetic field sensor with spacer
US10991644B2 (en) 2019-08-22 2021-04-27 Allegro Microsystems, Llc Integrated circuit package having a low profile

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US3532969A (en) * 1968-02-20 1970-10-06 Nat Lead Co Method for magnetically measuring wall thickness of metal pipes and plate structures
JPS5571064A (en) * 1978-11-22 1980-05-28 Denki Onkyo Co Ltd Magnetoelectric converter
US4806863A (en) * 1986-10-17 1989-02-21 Westinghouse Electric Corp. Eddy current apparatus including cylindrical coil with flux concentrator for high resolution detection of flaws in conductive objects
JPH05264685A (en) * 1992-01-21 1993-10-12 Sony Corp Magnetic sensor
JP3166987B2 (en) * 1992-07-14 2001-05-14 マツダ株式会社 Current sensor
US5394083A (en) * 1992-08-20 1995-02-28 Iowa State University Research Foundation, Inc. Magnetic imaging system for display of local variations of magnetic properties in magnetic material
US5729135A (en) * 1993-07-12 1998-03-17 Sumitomo Electric Industries, Ltd. Non-destructive testing equipment employing SQUID-type magnetic sensor in magnetic shield container
US5698977A (en) * 1993-10-12 1997-12-16 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Eddy current method for fatigue testing
JP3395402B2 (en) * 1994-10-14 2003-04-14 住友電気工業株式会社 Travel detector
JP3011090U (en) * 1994-11-11 1995-05-16 株式会社キョクトー Spot welding nugget inspection equipment
US5942894A (en) * 1995-09-13 1999-08-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Radially focused eddy current sensor for detection of longitudinal flaws in metallic tubes
US5847562A (en) * 1996-05-08 1998-12-08 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Thickness gauging of single-layer conductive materials with two-point non linear calibration algorithm
DE19628028A1 (en) * 1996-07-11 1998-01-22 Siemens Ag Test device and method for non-destructive material testing
KR19980043462A (en) * 1996-12-03 1998-09-05 김광호 Magnetizing ratio and magnetic flux density measuring device of rotor
JPH11311617A (en) * 1998-02-26 1999-11-09 Topy Ind Ltd Method and apparatus for diagnosis of defects
US6317048B1 (en) * 1999-09-16 2001-11-13 Automotive Systems Laboratory, Inc. Magnetic field sensor
JP3300810B2 (en) 1999-11-08 2002-07-08 岩手大学長 Non-destructive method for measuring the aging of the strength of ferromagnetic structural materials

Also Published As

Publication number Publication date
KR100376892B1 (en) 2003-03-28
US6683452B2 (en) 2004-01-27
KR20020009743A (en) 2002-02-02
US20020101234A1 (en) 2002-08-01
WO2002008745A1 (en) 2002-01-31

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