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AU8178294A - Particle classification method and apparatus - Google Patents

Particle classification method and apparatus

Info

Publication number
AU8178294A
AU8178294A AU81782/94A AU8178294A AU8178294A AU 8178294 A AU8178294 A AU 8178294A AU 81782/94 A AU81782/94 A AU 81782/94A AU 8178294 A AU8178294 A AU 8178294A AU 8178294 A AU8178294 A AU 8178294A
Authority
AU
Australia
Prior art keywords
classification method
particle classification
particle
classification
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
AU81782/94A
Other versions
AU687470B2 (en
Inventor
Con-Vivier Venter
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 AU8178294A publication Critical patent/AU8178294A/en
Application granted granted Critical
Publication of AU687470B2 publication Critical patent/AU687470B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65—Raman scattering
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/87—Investigating jewels

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
AU81782/94A 1993-12-30 1994-12-30 Particle classification method and apparatus Ceased AU687470B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA93/9797 1993-12-30
ZA939797 1993-12-30

Publications (2)

Publication Number Publication Date
AU8178294A true AU8178294A (en) 1995-07-06
AU687470B2 AU687470B2 (en) 1998-02-26

Family

ID=25583567

Family Applications (1)

Application Number Title Priority Date Filing Date
AU81782/94A Ceased AU687470B2 (en) 1993-12-30 1994-12-30 Particle classification method and apparatus

Country Status (6)

Country Link
AU (1) AU687470B2 (en)
BR (1) BR9405310A (en)
CA (1) CA2139178C (en)
GB (1) GB2285311B (en)
RU (1) RU94045262A (en)
ZA (1) ZA9410191B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU697587B2 (en) * 1994-08-19 1998-10-08 De Beers Industrial Diamond Division (Proprietary) Limited Classification of particles according to raman response

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286170A (en) * 1980-02-11 1981-08-25 Samuel Moti X-Ray face mask and chest shield device
DD254998A1 (en) * 1985-07-26 1988-03-16 Zeiss Jena Veb Carl ARRANGEMENT FOR THE IMAGE AND ANALYSIS OF FLUORESCENCE SIGNALS
GB2219080B (en) * 1988-05-06 1992-11-04 Gersan Ets Identifying gemstones
US5275168A (en) * 1992-03-31 1994-01-04 The United States Of America As Represented By The Secretary Of The Navy Time-gated imaging through dense-scattering materials using stimulated Raman amplification

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU697587B2 (en) * 1994-08-19 1998-10-08 De Beers Industrial Diamond Division (Proprietary) Limited Classification of particles according to raman response

Also Published As

Publication number Publication date
CA2139178C (en) 2007-01-30
AU687470B2 (en) 1998-02-26
GB2285311A (en) 1995-07-05
ZA9410191B (en) 1995-08-25
CA2139178A1 (en) 1995-07-01
GB9425994D0 (en) 1995-02-22
RU94045262A (en) 1996-10-20
BR9405310A (en) 1995-09-19
GB2285311B (en) 1998-01-14

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