IL97947A - Method and apparatus for examining an object - Google Patents

Method and apparatus for examining an object

Info

Publication number
IL97947A
IL97947A IL9794791A IL9794791A IL97947A IL 97947 A IL97947 A IL 97947A IL 9794791 A IL9794791 A IL 9794791A IL 9794791 A IL9794791 A IL 9794791A IL 97947 A IL97947 A IL 97947A
Authority
IL
Israel
Prior art keywords
wavelength
wavelengths
filter
radiation
diamonds
Prior art date
Application number
IL9794791A
Other languages
English (en)
Other versions
IL97947A0 (en
Inventor
Martin Phillip Smith
Robin Wyncliffe Smith
Christopher Mark Welbourn
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
Priority to IL10847891A priority Critical patent/IL108478A/en
Priority to IL10851391A priority patent/IL108513A/en
Priority to IL10847791A priority patent/IL108477A/en
Publication of IL97947A0 publication Critical patent/IL97947A0/xx
Publication of IL97947A publication Critical patent/IL97947A/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
    • G01N21/84—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)
IL9794791A 1990-04-24 1991-04-24 Method and apparatus for examining an object IL97947A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IL10847891A IL108478A (en) 1990-04-24 1991-04-24 Method and device for testing a gemstone
IL10851391A IL108513A (en) 1990-04-24 1991-04-24 Bone test method and device
IL10847791A IL108477A (en) 1990-04-24 1991-04-24 Diamond test method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909009132A GB9009132D0 (en) 1990-04-24 1990-04-24 Method and apparatus for examining an object

Publications (2)

Publication Number Publication Date
IL97947A0 IL97947A0 (en) 1992-06-21
IL97947A true IL97947A (en) 1995-03-30

Family

ID=10674878

Family Applications (4)

Application Number Title Priority Date Filing Date
IL9794791A IL97947A (en) 1990-04-24 1991-04-24 Method and apparatus for examining an object
IL10847894A IL108478A0 (en) 1990-04-24 1994-01-30 Method and apparatus for examining a gemstone
IL10847794A IL108477A0 (en) 1990-04-24 1994-01-30 Method and apparatus examining a diamond
IL10851394A IL108513A0 (en) 1990-04-24 1994-02-01 Method and apparatus for examining an object

Family Applications After (3)

Application Number Title Priority Date Filing Date
IL10847894A IL108478A0 (en) 1990-04-24 1994-01-30 Method and apparatus for examining a gemstone
IL10847794A IL108477A0 (en) 1990-04-24 1994-01-30 Method and apparatus examining a diamond
IL10851394A IL108513A0 (en) 1990-04-24 1994-02-01 Method and apparatus for examining an object

Country Status (12)

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

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9210674D0 (en) * 1992-05-19 1992-07-01 Gersan Ets Method and apparatus for examining an object
GB2295227B (en) * 1992-05-19 1996-07-17 Gersan Ets Method and apparatus for classifying diamonds
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
SG2014012348A (en) * 2012-10-03 2014-08-28 Presidium Instr Pte Ltd A 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
EP3505916B1 (fr) * 2016-08-26 2021-06-16 Public Joint Stock Company "Alrosa" Dispositif d'identification de diamant
WO2021023229A1 (fr) * 2019-08-05 2021-02-11 Goldway Technology Limited Procédé d'authentification de diamant et système associé
EP4332525A1 (fr) * 2021-04-28 2024-03-06 Sumitomo Electric Hardmetal Corp. Procédé pour la mesure de la concentration en azote dans un diamant, et dispositif pour la mesure de la concentration en azote dans un diamant

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 (fr) * 1981-05-12 1982-11-17 Sphere Investments Limited Triage de matériaux
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
GB2244329B (en) 1994-10-26
WO1991016617A1 (fr) 1991-10-31
CA2081347A1 (fr) 1991-10-25
EP0526492A1 (fr) 1993-02-10
AU7693091A (en) 1991-11-11
CA2081347C (fr) 2002-06-11
DE69132310D1 (de) 2000-08-17
GB2244329A (en) 1991-11-27
ZA913069B (en) 1992-02-26
AU660413B2 (en) 1995-06-29
GB9108733D0 (en) 1991-06-12
IL108477A0 (en) 1994-05-30
IE62169B1 (en) 1994-12-28
JP2593267B2 (ja) 1997-03-26
IL97947A0 (en) 1992-06-21
KR0164426B1 (en) 1999-05-01
IE911368A1 (en) 1991-11-06
GB9009132D0 (en) 1990-06-20
EP0526492B1 (fr) 2000-07-12
HK1006329A1 (en) 1999-02-19
JPH05507791A (ja) 1993-11-04
IL108513A0 (en) 1994-05-30
IL108478A0 (en) 1994-05-30
DE69132310T2 (de) 2001-01-18

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Legal Events

Date Code Title Description
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees