ZA933486B - Method and apparatus for examining an object - Google Patents

Method and apparatus for examining an object

Info

Publication number
ZA933486B
ZA933486B ZA933486A ZA933486A ZA933486B ZA 933486 B ZA933486 B ZA 933486B ZA 933486 A ZA933486 A ZA 933486A ZA 933486 A ZA933486 A ZA 933486A ZA 933486 B ZA933486 B ZA 933486B
Authority
ZA
South Africa
Prior art keywords
examining
Prior art date
Application number
ZA933486A
Other languages
English (en)
Inventor
Martin Phillip Smith
Christopher Mark Welbourn
Original Assignee
Gersam Establishment
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 Gersam Establishment filed Critical Gersam Establishment
Publication of ZA933486B publication Critical patent/ZA933486B/xx

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
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
    • 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
    • G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
    • 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
    • G01N2021/3129—Determining multicomponents by multiwavelength light
    • G01N2021/3133—Determining multicomponents by multiwavelength light with selection of wavelengths before the sample

Landscapes

  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
ZA933486A 1992-05-19 1993-05-19 Method and apparatus for examining an object ZA933486B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929210674A GB9210674D0 (en) 1992-05-19 1992-05-19 Method and apparatus for examining an object

Publications (1)

Publication Number Publication Date
ZA933486B true ZA933486B (en) 1994-01-05

Family

ID=10715728

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA933486A ZA933486B (en) 1992-05-19 1993-05-19 Method and apparatus for examining an object

Country Status (10)

Country Link
US (1) US5536943A (fr)
EP (2) EP0641432B1 (fr)
KR (1) KR100288313B1 (fr)
AU (1) AU681837B2 (fr)
CA (1) CA2136193A1 (fr)
GB (2) GB9210674D0 (fr)
IL (1) IL105749A (fr)
TW (1) TW229267B (fr)
WO (1) WO1993023742A1 (fr)
ZA (1) ZA933486B (fr)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2275788B (en) * 1993-03-05 1996-07-31 Gersan Ets Distinguishing natural from synthetic diamond
GB2286251B (en) * 1994-01-25 1997-07-09 Gersan Ets Examining a diamond for synthetic diamond
GB2307040B (en) * 1994-09-02 1998-05-27 Gersan Ets Distinguishing natural from synthetic diamond
GB9417665D0 (en) * 1994-09-02 1994-10-19 Gersan Ets Distinguishing natural from synthetic diamond
GB9418049D0 (en) * 1994-09-07 1994-10-26 Gersan Ets Examining a diamond
DE19506192A1 (de) * 1995-02-23 1995-07-20 Christian Gassner Edelstein-Absorbtionsspektralphotometer
GB2303699A (en) * 1995-07-24 1997-02-26 Gersan Ets A method and apparatus for detecting layers of synthetic diamond
US6331708B2 (en) * 1995-07-24 2001-12-18 Gersan Establishment Examining a diamond
US6014208A (en) * 1995-07-24 2000-01-11 Gersan Establishment Examining a diamond
US5706135A (en) * 1995-10-03 1998-01-06 General Electric Company Diamond optical plate beamsplitter
US5835205A (en) * 1996-02-12 1998-11-10 C3, Inc. Optical testing system for distinguishing a silicon carbide gemstone from a diamond
US5811817A (en) * 1996-04-25 1998-09-22 Ravich; Gilbert Norman Method & apparatus for detecting fracture filled diamonds
FR2757484B1 (fr) * 1996-12-23 1999-02-26 Braintrust Ltd Enceinte etanche et procede de fabrication d'une ebauche d'enceinte etanche
US5955735A (en) * 1997-09-29 1999-09-21 C3, Inc. Apparatus and method for positively identifying synthetic silicon carbide gemstones
US6265884B1 (en) 1998-05-13 2001-07-24 Ceres Corporation Electrical conductivity gem tester
FR2796464B1 (fr) * 1999-07-15 2001-09-21 Mauboussin Successeur De Noury Procede de determination de l'authenticite et de la provenance geographique de gemmes telles que les beryls
US6377340B1 (en) * 1999-10-29 2002-04-23 General Electric Company Method of detection of natural diamonds that have been processed at high pressure and high temperatures
US6534756B1 (en) * 2000-06-22 2003-03-18 Applied Materials Inc. Ultra-stable, compact, high intensity fiber-coupled light source for use in monitoring and process control
US8750702B1 (en) * 2002-06-21 2014-06-10 Rockstar Consortium Us Lp Passive optical loopback
US20040231220A1 (en) * 2003-05-23 2004-11-25 Mccormick Patrick Trajectory compensating riflescope
AU2003902855A0 (en) * 2003-06-06 2003-06-26 Holloway, Garry Ian Method and apparatus for examining a diamond
BE1016537A3 (nl) 2004-11-10 2007-01-09 Wetenschappelijk En Tech Onder Werkwijze voor het onderscheiden van kleurloze en bijna kleurloze diamanten en opstelling voor het uitvoeren van deze werkwijze.
JP5056712B2 (ja) * 2008-10-09 2012-10-24 株式会社島津製作所 原子吸光分光光度計
US9453808B2 (en) * 2011-02-16 2016-09-27 Shenzhen DiKai Industrial Co., Ltd. Multi-functional precious stone testing apparatus and method thereof
GB201210690D0 (en) * 2012-06-15 2012-08-01 Beers Centenary De Ag Infra-red analysis of diamond
EP2840384B1 (fr) * 2013-08-20 2020-06-17 SATT Gems AG Appareil pour la classification de diamants incolores
AT514332B1 (de) * 2013-08-27 2014-12-15 Swarovski D Kg Anordnung zur Analyse eines durch Brechung und Reflexion an einem Schmuckstein hervorgerufenen Lichtmusters
CN103776782A (zh) * 2013-12-11 2014-05-07 苑執中 一种鉴别cvd合成钻石的检测方法及其检测仪器
CN106525746A (zh) * 2015-09-09 2017-03-22 深圳迪凯工贸有限公司 宝石测试仪及宝石鉴别方法
KR101798078B1 (ko) * 2016-10-11 2017-11-16 서울시립대학교 산학협력단 투과도를 이용한 다이아몬드 감별 장치 및 방법
US10871395B2 (en) * 2017-04-14 2020-12-22 Kla Corporation Filter assembly for providing adjustable spectral capabilities in a broadband inspection system
GB2584876A (en) * 2019-06-19 2020-12-23 Jubilee Diamond Instr S Pte Ltd Gemstone testing apparatus
US11346788B2 (en) 2019-11-26 2022-05-31 Gemological Institute Of America, Inc. (Gia) Fluorescence imaging of gemstone on transparent stage
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
CN114813739A (zh) * 2022-04-22 2022-07-29 深圳迪凯工贸有限公司 多功能宝石测试仪及宝石鉴别方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1207113B (de) * 1963-05-29 1965-12-16 Hartmann & Braun Ag Photometer mit einem rotierenden Polygonspiegel
DE1598735A1 (de) * 1967-05-09 1971-04-01 Volker Lordick Einrichtung zur Echtheitspruefung von Edelsteinen
GB1254316A (en) * 1967-12-12 1971-11-17 Gaf Corp An improved densitometer
AT344419B (de) * 1973-03-20 1978-07-25 Dihaco Diamanten Handels Co Vorrichtung zur feststellung der bewertungsdaten von farbedelsteinen, insbesondere brillanten
US3938067A (en) * 1974-06-28 1976-02-10 Mcgraw-Edison Company Protector for electric circuits
DE2521934C3 (de) * 1975-05-16 1978-11-02 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Vorrichtung zur Bestimmung der Konzentrationen von Komponenten eines Abgasgemisches
US4236076A (en) * 1979-02-26 1980-11-25 Technicon Instruments Corporation Infrared analyzer
US4291975A (en) * 1979-10-03 1981-09-29 Scientific Gem Identification, Inc. Apparatus for determining the color characteristics of a gem
US4394580A (en) * 1981-07-27 1983-07-19 L.C.E. Ltd. Method and apparatus for analyzing gems
GB2113829B (en) * 1982-01-19 1985-07-10 Philips Electronic Associated Atomic absorption spectrophotometer
FR2528580A1 (fr) * 1982-06-14 1983-12-16 Frediani Jean Appareil mesurant la transparence aux ultraviolets courts pour tester des pierres
US4511800A (en) * 1983-03-28 1985-04-16 Rca Corporation Optical reflectance method for determining the surface roughness of materials in semiconductor processing
US4578762A (en) * 1983-07-01 1986-03-25 Tri-Med Inc. Self-calibrating carbon dioxide analyzer
DE3539667A1 (de) * 1985-11-08 1987-05-14 Bruker Analytische Messtechnik Optisches spektrometer, insbesondere infrarot-spektrometer
DE3926090C2 (de) * 1989-08-07 1998-09-10 Bodenseewerk Perkin Elmer Co Zweistrahlphotometer
GB9009132D0 (en) * 1990-04-24 1990-06-20 Gersan Ets Method and apparatus for examining an object

Also Published As

Publication number Publication date
TW229267B (fr) 1994-09-21
US5536943A (en) 1996-07-16
AU7198396A (en) 1997-01-23
AU675941B2 (en) 1997-02-27
WO1993023742A1 (fr) 1993-11-25
KR950701734A (ko) 1995-04-28
GB2267147A (en) 1993-11-24
CA2136193A1 (fr) 1993-11-25
KR100288313B1 (ko) 2001-06-01
GB9210674D0 (en) 1992-07-01
EP0811836A3 (fr) 1999-12-15
EP0641432A1 (fr) 1995-03-08
AU681837B2 (en) 1997-09-04
GB9310337D0 (en) 1993-06-30
EP0811836A2 (fr) 1997-12-10
EP0641432B1 (fr) 2001-11-28
AU4081893A (en) 1993-12-13
IL105749A0 (en) 1993-09-22
IL105749A (en) 1997-11-20
GB2267147B (en) 1996-07-17

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