DE69132310D1 - Verfahren und vorrichtung zur untersuchung eines gegenstandes - Google Patents

Verfahren und vorrichtung zur untersuchung eines gegenstandes

Info

Publication number
DE69132310D1
DE69132310D1 DE69132310T DE69132310T DE69132310D1 DE 69132310 D1 DE69132310 D1 DE 69132310D1 DE 69132310 T DE69132310 T DE 69132310T DE 69132310 T DE69132310 T DE 69132310T DE 69132310 D1 DE69132310 D1 DE 69132310D1
Authority
DE
Germany
Prior art keywords
examining
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.)
Expired - Fee Related
Application number
DE69132310T
Other languages
English (en)
Other versions
DE69132310T2 (de
Inventor
Phillip Smith
Wyncliffe Smith
Mark Welbourn
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.)
Gersan Ets
Original Assignee
Gersan Ets
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 Gersan Ets filed Critical Gersan Ets
Publication of DE69132310D1 publication Critical patent/DE69132310D1/de
Application granted granted Critical
Publication of DE69132310T2 publication Critical patent/DE69132310T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/87—Investigating jewels
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
DE69132310T 1990-04-24 1991-04-24 Verfahren und vorrichtung zur untersuchung eines gegenstandes Expired - Fee Related DE69132310T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909009132A GB9009132D0 (en) 1990-04-24 1990-04-24 Method and apparatus for examining an object
PCT/GB1991/000653 WO1991016617A1 (en) 1990-04-24 1991-04-24 Method and apparatus for examining an object

Publications (2)

Publication Number Publication Date
DE69132310D1 true DE69132310D1 (de) 2000-08-17
DE69132310T2 DE69132310T2 (de) 2001-01-18

Family

ID=10674878

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69132310T Expired - Fee Related DE69132310T2 (de) 1990-04-24 1991-04-24 Verfahren und vorrichtung zur untersuchung eines gegenstandes

Country Status (12)

Country Link
EP (1) EP0526492B1 (de)
JP (1) JP2593267B2 (de)
KR (1) KR0164426B1 (de)
AU (1) AU660413B2 (de)
CA (1) CA2081347C (de)
DE (1) DE69132310T2 (de)
GB (2) GB9009132D0 (de)
HK (1) HK1006329A1 (de)
IE (1) IE62169B1 (de)
IL (4) IL97947A (de)
WO (1) WO1991016617A1 (de)
ZA (1) ZA913069B (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2295227B (en) * 1992-05-19 1996-07-17 Gersan Ets Method and apparatus for classifying diamonds
GB9210674D0 (en) * 1992-05-19 1992-07-01 Gersan Ets Method and apparatus for examining an object
GB2286251B (en) * 1994-01-25 1997-07-09 Gersan Ets Examining a diamond for synthetic diamond
GB9417665D0 (en) * 1994-09-02 1994-10-19 Gersan Ets Distinguishing natural from synthetic diamond
GB2307040B (en) * 1994-09-02 1998-05-27 Gersan Ets Distinguishing natural from synthetic diamond
US6014208A (en) * 1995-07-24 2000-01-11 Gersan Establishment Examining a diamond
US5894939A (en) * 1996-10-09 1999-04-20 Frankel Industries, Inc. System for sorting post-consumer plastic containers for recycling
US6298639B1 (en) 1998-05-08 2001-10-09 Berwick Industries, Inc. Method and associated apparatus for imparting a helical curl ribbon material for making a decorative element
GB0606891D0 (en) 2006-04-05 2006-05-17 Council Cent Lab Res Councils Raman Analysis Of Pharmaceutical Tablets
US8134694B2 (en) 2008-05-09 2012-03-13 Apollo Diamond Gemstone Corporation Detection of chemical vapor deposition grown diamond
US8213000B2 (en) * 2008-05-09 2012-07-03 Apollo Diamond Gemstone Corporation Retail compatible detection of CVD grown diamond
US9568434B2 (en) 2012-10-03 2017-02-14 Presidium Instruments Pte Ltd Gemstone tester and a method of characterising a gemstone
KR101424070B1 (ko) 2013-02-08 2014-07-28 전남대학교산학협력단 헤드 회전형 초음파 진단장치
GB2516297A (en) * 2013-07-18 2015-01-21 De Beers Centenary AG Measuring parameters of a cut gemstone
JP6802379B2 (ja) * 2016-08-26 2020-12-16 パブリック・ジョイント・ストック・カンパニー・アルロサ ダイヤモンドを識別するためのデバイス
EP4010691A4 (de) * 2019-08-05 2023-11-01 Goldway Technology Limited Verfahren zur authentifizierung von diamanten und system dafür
CN117120831A (zh) * 2021-04-28 2023-11-24 住友电工硬质合金株式会社 金刚石的氮浓度的测定方法及金刚石的氮浓度的测定装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3064136A (en) * 1959-01-27 1962-11-13 Textron Electronics Inc Automatic sorting system
US3794425A (en) * 1972-08-22 1974-02-26 Shell Oil Co Scanning infrared spectroscopic analyzer using rotating variable filter
JPS5953090B2 (ja) * 1977-07-25 1984-12-22 株式会社日立製作所 遠心分離機回転胴
US4259011A (en) * 1979-11-05 1981-03-31 Crumm John C Optical gem analyzer
JPS57144446A (en) * 1981-03-02 1982-09-07 Toshiba Corp Apparatus for spectrochemical analysis
EP0064842A1 (de) * 1981-05-12 1982-11-17 Sphere Investments Limited Materialsortierung
AU1365783A (en) * 1982-04-30 1983-11-03 Geosource Inc. Oil shale sorter classification circuitry
GB2151018B (en) * 1983-12-06 1987-07-22 Gunsons Sortex Ltd Sorting machine and method
GB8514992D0 (en) * 1985-06-13 1985-07-17 British Nuclear Fuels Plc Differentiation technique
JPH0690085B2 (ja) * 1985-07-22 1994-11-14 有限会社光伸光学 干渉フィルタ分光装置
US4940012A (en) * 1986-12-23 1990-07-10 Nordson Corporation Mold coating apparatus with air flow control numbers
GB2219394B (en) * 1988-05-06 1992-09-16 Gersan Ets Sensing a narrow frequency band of radiation and examining objects or zones
IL90441A (en) * 1988-06-09 1992-11-15 Richert Gerald Ray Product discrimination system and method
GB8830039D0 (en) * 1988-12-22 1989-02-15 Renishaw Plc Raman microscope
JPH0634974B2 (ja) * 1989-10-03 1994-05-11 株式会社安西総合研究所 透過光を利用した選別装置
IL92133A (en) * 1989-10-27 1993-01-31 Uri Neta Haifa And Aharon Yifr Method and apparatus for identifying gemstones, particularly diamonds
GB9002335D0 (en) * 1990-02-02 1990-04-04 De La Rue Co Plc Detection apparatus

Also Published As

Publication number Publication date
ZA913069B (en) 1992-02-26
JPH05507791A (ja) 1993-11-04
IL108513A0 (en) 1994-05-30
GB2244329A (en) 1991-11-27
AU660413B2 (en) 1995-06-29
JP2593267B2 (ja) 1997-03-26
IL97947A (en) 1995-03-30
GB9108733D0 (en) 1991-06-12
IL97947A0 (en) 1992-06-21
CA2081347A1 (en) 1991-10-25
IL108477A0 (en) 1994-05-30
WO1991016617A1 (en) 1991-10-31
DE69132310T2 (de) 2001-01-18
GB9009132D0 (en) 1990-06-20
IE62169B1 (en) 1994-12-28
AU7693091A (en) 1991-11-11
HK1006329A1 (en) 1999-02-19
KR0164426B1 (en) 1999-05-01
IE911368A1 (en) 1991-11-06
IL108478A0 (en) 1994-05-30
EP0526492A1 (de) 1993-02-10
EP0526492B1 (de) 2000-07-12
GB2244329B (en) 1994-10-26
CA2081347C (en) 2002-06-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee