IL115208A - Diamond test - Google Patents

Diamond test

Info

Publication number
IL115208A
IL115208A IL11520895A IL11520895A IL115208A IL 115208 A IL115208 A IL 115208A IL 11520895 A IL11520895 A IL 11520895A IL 11520895 A IL11520895 A IL 11520895A IL 115208 A IL115208 A IL 115208A
Authority
IL
Israel
Prior art keywords
diamond
radiation
infra red
zones
observing
Prior art date
Application number
IL11520895A
Other languages
English (en)
Hebrew (he)
Other versions
IL115208A0 (en
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 IL115208A0 publication Critical patent/IL115208A0/xx
Publication of IL115208A publication Critical patent/IL115208A/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

Landscapes

  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Radiation Pyrometers (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
IL11520895A 1994-09-07 1995-09-07 Diamond test IL115208A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9418050A GB9418050D0 (en) 1994-09-07 1994-09-07 Examining a diamond

Publications (2)

Publication Number Publication Date
IL115208A0 IL115208A0 (en) 1995-12-31
IL115208A true IL115208A (en) 1998-07-15

Family

ID=10760995

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11520895A IL115208A (en) 1994-09-07 1995-09-07 Diamond test

Country Status (11)

Country Link
US (1) US5883388A (ja)
EP (1) EP0779977B1 (ja)
JP (1) JPH10505160A (ja)
KR (1) KR970705751A (ja)
CA (1) CA2199242A1 (ja)
DE (1) DE69506268T2 (ja)
ES (1) ES2126312T3 (ja)
GB (2) GB9418050D0 (ja)
IL (1) IL115208A (ja)
WO (1) WO1996007895A1 (ja)
ZA (1) ZA957477B (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5823677A (en) * 1996-03-18 1998-10-20 The Board Of Trustees Of Western Michigan Method of identifying a substance by infrared imaging
US6422743B1 (en) 1999-03-26 2002-07-23 Allison Advanced Development Company Method for determining heat transfer performance of an internally cooled structure
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
US7105822B1 (en) * 2000-09-29 2006-09-12 American Gemological Laboratories, Inc. Characterization of clarity and color enhancement agents in gems
KR100976784B1 (ko) * 2001-09-12 2010-08-19 게르잔 에스테블리쉬먼트 다이아몬드 검사
ES2219483T3 (es) * 2001-12-13 2004-12-01 Overseas Diamonds Technologies N.V. Aparato para generar datos para determinar una propiedad de una piedra preciosa y procedimientos para determinar una propiedad de una piedra preciosa.
US6786733B2 (en) 2002-10-15 2004-09-07 Overseas Diamonds Inc. Computer-implemented method of and system for teaching an untrained observer to evaluate a gemstone
US20040076216A1 (en) * 2002-10-18 2004-04-22 Chamberlain Craig A. Thermographic system and method for detecting imperfections within a bond
US20040259234A1 (en) * 2003-06-06 2004-12-23 Northrop Grumman Corporation Detection and analysis of chemical and biological materials
US20050056785A1 (en) * 2003-09-16 2005-03-17 Northrop Grumman Corporation Detection and analysis of chemical and biological materials by passive emission of terahertz wave against a cold background target
US20050117145A1 (en) * 2003-11-28 2005-06-02 Joshua Altman Detection of imperfections in precious stones
US20090070236A1 (en) * 2005-05-21 2009-03-12 Ehud Cohen Diamond and Precious Stone Trading Platform with Funding and Delivery Transparency
US9058615B2 (en) * 2007-10-02 2015-06-16 Elady Limited Product evaluation system and product evaluation method
US20090125435A1 (en) * 2007-11-14 2009-05-14 Ehud Cohen Trading Plaftorm System and Method for Diamond and Precious Stone Transactions
US20090234754A1 (en) * 2008-03-11 2009-09-17 Dave Lapa Apparatus, a method, and a system for gemstone evaluation and gemology tutoring over the internet
US20120268728A1 (en) * 2011-04-20 2012-10-25 GemEx Systems, Inc., a Wisconsin corporation Gem positioning and analysis system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6903862A (ja) * 1969-03-13 1970-09-15
GB2076146A (en) * 1980-01-25 1981-11-25 Gunsons Sortex Mineral & Autom Method and Apparatus for Sorting
EP0064842A1 (en) * 1981-05-12 1982-11-17 Sphere Investments Limited Material sorting
US4394580A (en) * 1981-07-27 1983-07-19 L.C.E. Ltd. Method and apparatus for analyzing gems
GB8531330D0 (en) * 1985-12-19 1986-01-29 British Petroleum Co Plc Differentiation process
US4915827A (en) * 1988-05-19 1990-04-10 Trebor Industries, Inc. Method and apparatus for optical sorting of materials using near infrared absorbtion criteria
IL92133A (en) * 1989-10-27 1993-01-31 Uri Neta Haifa And Aharon Yifr Method and apparatus for identifying gemstones, particularly diamonds
US5396068A (en) * 1993-03-30 1995-03-07 At&T Corp. Method of making a semiconductor device including infrared imaging, and apparatus for use in the imaging
US5386117B1 (en) * 1993-06-07 1997-06-10 Computational Systems Inc Infrared thermography system including mobile unit

Also Published As

Publication number Publication date
GB9418050D0 (en) 1994-10-26
EP0779977B1 (en) 1998-11-25
ES2126312T3 (es) 1999-03-16
IL115208A0 (en) 1995-12-31
GB2293250A (en) 1996-03-20
CA2199242A1 (en) 1996-03-14
AU3395395A (en) 1996-03-27
ZA957477B (en) 1997-03-06
EP0779977A1 (en) 1997-06-25
KR970705751A (ko) 1997-10-09
US5883388A (en) 1999-03-16
GB2293250B (en) 1998-06-24
GB9518227D0 (en) 1995-11-08
JPH10505160A (ja) 1998-05-19
WO1996007895A1 (en) 1996-03-14
DE69506268T2 (de) 1999-06-24
DE69506268D1 (de) 1999-01-07
AU698438B2 (en) 1998-10-29

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