AU699894B2 - Detection and sorting of materials - Google Patents

Detection and sorting of materials Download PDF

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Publication number
AU699894B2
AU699894B2 AU40876/96A AU4087696A AU699894B2 AU 699894 B2 AU699894 B2 AU 699894B2 AU 40876/96 A AU40876/96 A AU 40876/96A AU 4087696 A AU4087696 A AU 4087696A AU 699894 B2 AU699894 B2 AU 699894B2
Authority
AU
Australia
Prior art keywords
sample material
flow
magnetic field
gemstones
nuclei
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.)
Ceased
Application number
AU40876/96A
Other languages
English (en)
Other versions
AU4087696A (en
Inventor
Grant Lysle High
Peter Hofer
Detlef R. Muller
George William Over
Ulf Anders Staffan Tapper
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.)
De Beers Industrial Diamond Division Pty Ltd
Original Assignee
De Beers Industrial Diamond Division Pty 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 De Beers Industrial Diamond Division Pty Ltd filed Critical De Beers Industrial Diamond Division Pty Ltd
Publication of AU4087696A publication Critical patent/AU4087696A/en
Application granted granted Critical
Publication of AU699894B2 publication Critical patent/AU699894B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/14—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electron or nuclear magnetic resonance
    • 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]
    • G01R33/46—NMR spectroscopy
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/23—Carbon containing
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/24—Nuclear magnetic resonance, electron spin resonance or other spin effects or mass spectrometry

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geophysics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
AU40876/96A 1995-01-13 1996-01-09 Detection and sorting of materials Ceased AU699894B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ZA95253 1995-01-13
ZA95/0253 1995-01-13
ZA95/0468 1995-01-20
ZA95468 1995-01-20

Publications (2)

Publication Number Publication Date
AU4087696A AU4087696A (en) 1996-07-25
AU699894B2 true AU699894B2 (en) 1998-12-17

Family

ID=27142501

Family Applications (1)

Application Number Title Priority Date Filing Date
AU40876/96A Ceased AU699894B2 (en) 1995-01-13 1996-01-09 Detection and sorting of materials

Country Status (8)

Country Link
US (1) US5789257A (enExample)
EP (1) EP0726458B1 (enExample)
JP (1) JP3782147B2 (enExample)
AU (1) AU699894B2 (enExample)
BR (1) BR9600087A (enExample)
CA (1) CA2167119C (enExample)
DE (2) DE19600241C2 (enExample)
RU (1) RU2154266C2 (enExample)

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GB9801622D0 (en) * 1998-01-23 1998-03-25 Inst Of Food Research Improvements in and relating to magnetic resonance imaging
GB9803487D0 (en) 1998-02-20 1998-04-15 Inst Of Food Research Nuclear magnetic resonance spectroscopy
US6727696B2 (en) 1998-03-06 2004-04-27 Baker Hughes Incorporated Downhole NMR processing
CA2268580C (en) * 1998-04-14 2006-12-05 De Beers Consolidated Mines Limited Sorting of diamonds
US7301338B2 (en) 2001-08-13 2007-11-27 Baker Hughes Incorporated Automatic adjustment of NMR pulse sequence to optimize SNR based on real time analysis
CA2559516C (en) * 2004-03-12 2012-07-10 University Of The Witwatersrand Johannesburg Detection of diamonds
DE102004021689B4 (de) * 2004-04-30 2013-03-21 Optosort Gmbh Verfahren und Vorrichtung zur Sortierung von lichtbrechenden Partikeln
US7403008B2 (en) * 2004-08-02 2008-07-22 Cornell Research Foundation, Inc. Electron spin resonance microscope for imaging with micron resolution
US7196516B2 (en) 2004-08-16 2007-03-27 Baker Hughes Incorporated Correction of NMR artifacts due to constant-velocity axial motion and spin-lattice relaxation
AU2006256434B2 (en) * 2005-06-09 2012-04-05 Aspect Magnet Technologies Ltd. A portable quality and process control system for simultaneous magnetic resonance imaging of multiple samples
US20070025918A1 (en) * 2005-07-28 2007-02-01 General Electric Company Magnetic resonance imaging (MRI) agents: water soluble carbon-13 enriched fullerene and carbon nanotubes for use with dynamic nuclear polarization
US7400147B2 (en) * 2005-11-03 2008-07-15 Uri Rapoport Self-fastening cage surrounding a magnetic resonance device and methods thereof
US7511496B2 (en) * 2006-02-27 2009-03-31 The Penn State Research Foundation Quadrupole resonance using narrowband probes and continuous wave excitation
US9459210B2 (en) 2012-05-08 2016-10-04 University Of Calcutta Static magnetic field induced differential fluorescence emission
WO2013167933A1 (en) * 2012-05-08 2013-11-14 University Of Calcutta Static magnetic field induced differential fluorescence emission
RU2521723C1 (ru) * 2013-03-01 2014-07-10 Общество с ограниченной ответственностью "Нейтронные технологии" Способ и устройство для обнаружения алмазов в кимберлите
US10359480B2 (en) * 2014-02-13 2019-07-23 Presidents And Fellows Of Harvard College Optically detected magnetic resonance imaging with an electromagnetic field resonator
US9638821B2 (en) 2014-03-20 2017-05-02 Lockheed Martin Corporation Mapping and monitoring of hydraulic fractures using vector magnetometers
US9551763B1 (en) 2016-01-21 2017-01-24 Lockheed Martin Corporation Diamond nitrogen vacancy sensor with common RF and magnetic fields generator
US10088336B2 (en) 2016-01-21 2018-10-02 Lockheed Martin Corporation Diamond nitrogen vacancy sensed ferro-fluid hydrophone
US10088452B2 (en) 2016-01-12 2018-10-02 Lockheed Martin Corporation Method for detecting defects in conductive materials based on differences in magnetic field characteristics measured along the conductive materials
US9853837B2 (en) 2014-04-07 2017-12-26 Lockheed Martin Corporation High bit-rate magnetic communication
US9910105B2 (en) 2014-03-20 2018-03-06 Lockheed Martin Corporation DNV magnetic field detector
US9590601B2 (en) 2014-04-07 2017-03-07 Lockheed Martin Corporation Energy efficient controlled magnetic field generator circuit
US9910104B2 (en) 2015-01-23 2018-03-06 Lockheed Martin Corporation DNV magnetic field detector
US10168393B2 (en) 2014-09-25 2019-01-01 Lockheed Martin Corporation Micro-vacancy center device
US10241158B2 (en) 2015-02-04 2019-03-26 Lockheed Martin Corporation Apparatus and method for estimating absolute axes' orientations for a magnetic detection system
US9829545B2 (en) 2015-11-20 2017-11-28 Lockheed Martin Corporation Apparatus and method for hypersensitivity detection of magnetic field
US9557391B2 (en) 2015-01-23 2017-01-31 Lockheed Martin Corporation Apparatus and method for high sensitivity magnetometry measurement and signal processing in a magnetic detection system
US9541610B2 (en) 2015-02-04 2017-01-10 Lockheed Martin Corporation Apparatus and method for recovery of three dimensional magnetic field from a magnetic detection system
EP3251193A4 (en) 2015-01-28 2018-08-08 Lockheed Martin Corporation In-situ power charging
WO2016190909A2 (en) 2015-01-28 2016-12-01 Lockheed Martin Corporation Magnetic navigation methods and systems utilizing power grid and communication network
WO2017078766A1 (en) 2015-11-04 2017-05-11 Lockheed Martin Corporation Magnetic band-pass filter
GB2560283A (en) 2015-11-20 2018-09-05 Lockheed Corp Apparatus and method for closed loop processing for a magnetic detection system
WO2017095454A1 (en) 2015-12-01 2017-06-08 Lockheed Martin Corporation Communication via a magnio
WO2017127094A1 (en) 2016-01-21 2017-07-27 Lockheed Martin Corporation Magnetometer with light pipe
WO2017127097A1 (en) 2016-01-21 2017-07-27 Lockheed Martin Corporation Magnetometer with a light emitting diode
WO2017127079A1 (en) 2016-01-21 2017-07-27 Lockheed Martin Corporation Ac vector magnetic anomaly detection with diamond nitrogen vacancies
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WO2017127096A1 (en) 2016-01-21 2017-07-27 Lockheed Martin Corporation Diamond nitrogen vacancy sensor with dual rf sources
WO2017127090A1 (en) 2016-01-21 2017-07-27 Lockheed Martin Corporation Higher magnetic sensitivity through fluorescence manipulation by phonon spectrum control
US10359479B2 (en) 2017-02-20 2019-07-23 Lockheed Martin Corporation Efficient thermal drift compensation in DNV vector magnetometry
US10281550B2 (en) 2016-11-14 2019-05-07 Lockheed Martin Corporation Spin relaxometry based molecular sequencing
US10317279B2 (en) 2016-05-31 2019-06-11 Lockheed Martin Corporation Optical filtration system for diamond material with nitrogen vacancy centers
US10274550B2 (en) 2017-03-24 2019-04-30 Lockheed Martin Corporation High speed sequential cancellation for pulsed mode
US10228429B2 (en) 2017-03-24 2019-03-12 Lockheed Martin Corporation Apparatus and method for resonance magneto-optical defect center material pulsed mode referencing
US10345396B2 (en) 2016-05-31 2019-07-09 Lockheed Martin Corporation Selected volume continuous illumination magnetometer
US10345395B2 (en) 2016-12-12 2019-07-09 Lockheed Martin Corporation Vector magnetometry localization of subsurface liquids
US10408890B2 (en) 2017-03-24 2019-09-10 Lockheed Martin Corporation Pulsed RF methods for optimization of CW measurements
US20170343621A1 (en) 2016-05-31 2017-11-30 Lockheed Martin Corporation Magneto-optical defect center magnetometer
US10330744B2 (en) 2017-03-24 2019-06-25 Lockheed Martin Corporation Magnetometer with a waveguide
US10677953B2 (en) 2016-05-31 2020-06-09 Lockheed Martin Corporation Magneto-optical detecting apparatus and methods
US10527746B2 (en) 2016-05-31 2020-01-07 Lockheed Martin Corporation Array of UAVS with magnetometers
US10571530B2 (en) 2016-05-31 2020-02-25 Lockheed Martin Corporation Buoy array of magnetometers
US10338163B2 (en) 2016-07-11 2019-07-02 Lockheed Martin Corporation Multi-frequency excitation schemes for high sensitivity magnetometry measurement with drift error compensation
US10371765B2 (en) 2016-07-11 2019-08-06 Lockheed Martin Corporation Geolocation of magnetic sources using vector magnetometer sensors
US10145910B2 (en) 2017-03-24 2018-12-04 Lockheed Martin Corporation Photodetector circuit saturation mitigation for magneto-optical high intensity pulses
US10371760B2 (en) 2017-03-24 2019-08-06 Lockheed Martin Corporation Standing-wave radio frequency exciter
US10379174B2 (en) 2017-03-24 2019-08-13 Lockheed Martin Corporation Bias magnet array for magnetometer
US10338164B2 (en) 2017-03-24 2019-07-02 Lockheed Martin Corporation Vacancy center material with highly efficient RF excitation
US10459041B2 (en) 2017-03-24 2019-10-29 Lockheed Martin Corporation Magnetic detection system with highly integrated diamond nitrogen vacancy sensor
CN110161112A (zh) * 2018-01-23 2019-08-23 李菊华 测量宝石磁性的设备以及测量方法
CN113420611B (zh) * 2021-06-01 2024-03-29 煤炭科学研究总院有限公司 一种巷道围岩安全状态的检测方法、装置及电子设备

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GB2057135B (en) * 1979-08-22 1984-06-06 Southwest Res Inst Gyro magnetic detection method and apparatus
DE2934966A1 (de) * 1979-08-29 1981-03-19 Southwest Research Institute, San Antonio, Tex. Magnetisches nachweisverfahren und vorrichtung
GB2101334B (en) * 1981-06-19 1985-04-24 Nat Res Dev Nmr spectroscopy
GB8701695D0 (en) * 1987-01-27 1987-03-04 Smith J A S Detecting compounds
DE3818039A1 (de) * 1988-05-27 1989-11-30 Bruker Analytische Messtechnik Nmr-spektrometer mit einem probenwechsler
CA2139537C (en) * 1994-01-07 2007-04-24 Ulf Anders Staffan Tapper Method and apparatus for the classification of matter

Also Published As

Publication number Publication date
JPH08320299A (ja) 1996-12-03
DE69608006T2 (de) 2001-02-15
CA2167119A1 (en) 1996-07-14
DE69608006D1 (de) 2000-06-08
EP0726458B1 (en) 2000-05-03
US5789257A (en) 1998-08-04
DE19600241C2 (de) 2002-08-01
EP0726458A2 (en) 1996-08-14
RU2154266C2 (ru) 2000-08-10
EP0726458A3 (enExample) 1996-08-21
BR9600087A (pt) 1998-01-27
DE19600241A1 (de) 1996-07-18
AU4087696A (en) 1996-07-25
JP3782147B2 (ja) 2006-06-07
CA2167119C (en) 2004-12-14

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