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BR9405310A - Particle classification method and apparatus - Google Patents

Particle classification method and apparatus

Info

Publication number
BR9405310A
BR9405310A BR9405310A BR9405310A BR9405310A BR 9405310 A BR9405310 A BR 9405310A BR 9405310 A BR9405310 A BR 9405310A BR 9405310 A BR9405310 A BR 9405310A BR 9405310 A BR9405310 A BR 9405310A
Authority
BR
Brazil
Prior art keywords
classification method
particle classification
particle
classification
Prior art date
Application number
BR9405310A
Other languages
Portuguese (pt)
Inventor
Con-Vivier Venter
Original Assignee
De Beers Ind Diamond
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 Ind Diamond filed Critical De Beers Ind Diamond
Publication of BR9405310A publication Critical patent/BR9405310A/en

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)
BR9405310A 1993-12-30 1994-12-29 Particle classification method and apparatus BR9405310A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA939797 1993-12-30

Publications (1)

Publication Number Publication Date
BR9405310A true BR9405310A (en) 1995-09-19

Family

ID=25583567

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9405310A BR9405310A (en) 1993-12-30 1994-12-29 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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA955745B (en) * 1994-08-19 1996-02-20 De Beers Ind Diamond Classification of particles according to their 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

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
GB2285311B (en) 1998-01-14
AU8178294A (en) 1995-07-06

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law