DK429987A - Fremgangsmaade til vurdering af diamantkvalitet - Google Patents
Fremgangsmaade til vurdering af diamantkvalitetInfo
- Publication number
- DK429987A DK429987A DK429987A DK429987A DK429987A DK 429987 A DK429987 A DK 429987A DK 429987 A DK429987 A DK 429987A DK 429987 A DK429987 A DK 429987A DK 429987 A DK429987 A DK 429987A
- Authority
- DK
- Denmark
- Prior art keywords
- assessment
- procedure
- diamond quality
- diamond
- quality
- Prior art date
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
- G01N21/62—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
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB858531330A GB8531330D0 (en) | 1985-12-19 | 1985-12-19 | Differentiation process |
| PCT/GB1986/000784 WO1987003963A1 (en) | 1985-12-19 | 1986-12-19 | Method for assessing diamond quality |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK429987A true DK429987A (da) | 1987-08-18 |
| DK429987D0 DK429987D0 (da) | 1987-08-18 |
Family
ID=10590022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK429987A DK429987D0 (da) | 1985-12-19 | 1987-08-18 | Fremgangsmaade til vurdering af diamantkvalitet |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4875771A (da) |
| EP (1) | EP0250527A1 (da) |
| JP (1) | JPS63502052A (da) |
| KR (1) | KR880700932A (da) |
| AU (1) | AU591226B2 (da) |
| BR (1) | BR8607050A (da) |
| CA (1) | CA1276482C (da) |
| DK (1) | DK429987D0 (da) |
| GB (1) | GB8531330D0 (da) |
| IN (1) | IN168887B (da) |
| SU (1) | SU1658829A3 (da) |
| WO (1) | WO1987003963A1 (da) |
| ZA (1) | ZA869442B (da) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4851376A (en) * | 1986-03-08 | 1989-07-25 | Ngk Insulators, Ltd. | Cordierite ceramic body having low thermal expansion coefficient, process for producing the same, and method of evaluating cordierite composition |
| GB8706422D0 (en) * | 1987-03-18 | 1987-04-23 | British Petroleum Co Plc | Identification method |
| US5206699A (en) * | 1988-05-06 | 1993-04-27 | Gersan Establishment | Sensing a narrow frequency band of radiation and gemstones |
| US5835200A (en) * | 1990-04-24 | 1998-11-10 | Gersan Establishment | Method and apparatus for examining an object |
| GB9103552D0 (en) * | 1991-02-20 | 1991-04-10 | Gersan Ets | Classifying or sorting |
| GB9418050D0 (en) * | 1994-09-07 | 1994-10-26 | Gersan Ets | Examining a diamond |
| US5932119A (en) | 1996-01-05 | 1999-08-03 | Lazare Kaplan International, Inc. | Laser marking system |
| US5717209A (en) * | 1996-04-29 | 1998-02-10 | Petrometrix Ltd. | System for remote transmission of spectral information through communication optical fibers for real-time on-line hydrocarbons process analysis by near infra red spectroscopy |
| US5966673A (en) | 1997-01-10 | 1999-10-12 | Diamond Technologies, Inc. | System and method for computerized evaluation of gemstones |
| US6020954A (en) | 1997-12-18 | 2000-02-01 | Imagestatistics, Inc. | Method and associated apparatus for the standardized grading of gemstones |
| US6980283B1 (en) | 1997-12-18 | 2005-12-27 | Imagestatistics, Inc. | Method and associated apparatus for the standardized grading of gemstones |
| US6473164B1 (en) | 2000-02-16 | 2002-10-29 | Gemological Institute Of America, Inc. | Systems, apparatuses and methods for diamond color measurement and analysis |
| US7260544B1 (en) * | 2000-10-12 | 2007-08-21 | Gemological Institute Of America, Inc. | System and methods for evaluating the appearance of a gemstone |
| US7092089B2 (en) * | 2002-02-07 | 2006-08-15 | Rgb Technologies Ab | Method and system for chemical or biochemical analysis of a target analyte in a target environment |
| 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 |
| US7158240B2 (en) * | 2004-06-16 | 2007-01-02 | The United States Of America As Represented By The Secretary Of The Army | Measurement device and method |
| US9262284B2 (en) * | 2006-12-07 | 2016-02-16 | Lenovo Enterprise Solutions (Singapore) Pte. Ltd. | Single channel memory mirror |
| JP5222898B2 (ja) | 2010-05-17 | 2013-06-26 | 株式会社日立エルジーデータストレージ | 記録方法、再生方法、記録装置、および再生装置 |
| EP2718694B1 (en) | 2011-06-13 | 2020-03-18 | President and Fellows of Harvard College | Efficient fluorescence detection in diamond spin systems |
| CN106198488B (zh) * | 2016-07-27 | 2017-10-13 | 华中科技大学 | 一种基于拉曼光谱分析的煤质快速检测方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1799604A (en) * | 1926-11-03 | 1931-04-07 | Fayette F Read | Method and apparatus for identifying crystals |
| US3414354A (en) * | 1964-10-28 | 1968-12-03 | Perkin Elmer Corp | Raman spectrometers |
| ZA71900B (en) * | 1971-02-12 | 1972-08-30 | De Beers Cons Mines Ltd | Separation of particles by electromagnetic radiation |
| GB1416568A (en) * | 1972-10-20 | 1975-12-03 | Wilson S S | Method of and apparatus for evaluating registering and identifying gemstones |
| DE7418353U (de) * | 1974-05-27 | 1974-10-17 | Eickhorst M | Vorrichtung zur spektroskopischen untersuchung von edelsteinen |
| GB2010474A (en) * | 1977-10-19 | 1979-06-27 | Horchler S | Gem colour meter |
| DE2935812A1 (de) * | 1979-09-05 | 1981-03-12 | Fa. Carl Zeiss, 7920 Heidenheim | Verfahren zur werkstoffpruefung |
| US4259011A (en) * | 1979-11-05 | 1981-03-31 | Crumm John C | Optical gem analyzer |
| ZA813263B (en) * | 1980-06-04 | 1982-06-30 | De Beers Cons Mines Ltd | The assessment of colour in diamonds and other gems |
| FR2496888A1 (fr) * | 1980-12-22 | 1982-06-25 | Gemological Lab Antwerp | Ensemble de metrologie gemmologique pour la gradation automatique d'une gemme, en particulier le diamant et autres pierres precieuses |
| JPS57158544A (en) * | 1981-03-25 | 1982-09-30 | Ii R C:Kk | Identifying method of jewel and ornament by measurement of quantity system and optical system, and its data processor |
| US4394580A (en) * | 1981-07-27 | 1983-07-19 | L.C.E. Ltd. | Method and apparatus for analyzing gems |
| GB2140555B (en) * | 1983-05-24 | 1987-03-25 | British Petroleum Co Plc | Diamond separation |
| US4620284A (en) * | 1983-12-29 | 1986-10-28 | Uop Inc. | Qualitative and quantitative analysis using Raman scattering |
-
1985
- 1985-12-19 GB GB858531330A patent/GB8531330D0/en active Pending
-
1986
- 1986-12-15 ZA ZA869442A patent/ZA869442B/xx unknown
- 1986-12-17 IN IN985/MAS/86A patent/IN168887B/en unknown
- 1986-12-18 CA CA000525785A patent/CA1276482C/en not_active Expired - Fee Related
- 1986-12-19 JP JP62500366A patent/JPS63502052A/ja active Pending
- 1986-12-19 AU AU67789/87A patent/AU591226B2/en not_active Ceased
- 1986-12-19 WO PCT/GB1986/000784 patent/WO1987003963A1/en not_active Application Discontinuation
- 1986-12-19 BR BR8607050A patent/BR8607050A/pt unknown
- 1986-12-19 US US07/091,065 patent/US4875771A/en not_active Expired - Fee Related
- 1986-12-19 EP EP87900223A patent/EP0250527A1/en not_active Withdrawn
-
1987
- 1987-08-18 DK DK429987A patent/DK429987D0/da not_active Application Discontinuation
- 1987-08-18 SU SU874203279A patent/SU1658829A3/ru active
- 1987-08-19 KR KR870700743A patent/KR880700932A/ko not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| IN168887B (da) | 1991-07-06 |
| US4875771A (en) | 1989-10-24 |
| SU1658829A3 (ru) | 1991-06-23 |
| WO1987003963A1 (en) | 1987-07-02 |
| KR880700932A (ko) | 1988-04-13 |
| AU6778987A (en) | 1987-07-15 |
| EP0250527A1 (en) | 1988-01-07 |
| ZA869442B (en) | 1988-07-27 |
| AU591226B2 (en) | 1989-11-30 |
| CA1276482C (en) | 1990-11-20 |
| BR8607050A (pt) | 1988-02-23 |
| JPS63502052A (ja) | 1988-08-11 |
| GB8531330D0 (en) | 1986-01-29 |
| DK429987D0 (da) | 1987-08-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHB | Application shelved due to non-payment |