CN105548111A - 一种批量钻石快速筛查方法 - Google Patents
一种批量钻石快速筛查方法 Download PDFInfo
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- CN105548111A CN105548111A CN201511009698.4A CN201511009698A CN105548111A CN 105548111 A CN105548111 A CN 105548111A CN 201511009698 A CN201511009698 A CN 201511009698A CN 105548111 A CN105548111 A CN 105548111A
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- diamond
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- 239000010432 diamond Substances 0.000 title claims abstract description 107
- 238000012216 screening Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 23
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 98
- 238000003384 imaging method Methods 0.000 claims abstract description 36
- 230000002159 abnormal effect Effects 0.000 claims abstract description 22
- 230000001678 irradiating effect Effects 0.000 claims abstract description 8
- 238000005516 engineering process Methods 0.000 claims abstract description 5
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 6
- 229910052805 deuterium Inorganic materials 0.000 claims description 6
- 229910052724 xenon Inorganic materials 0.000 claims description 6
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical group [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 11
- 238000001228 spectrum Methods 0.000 abstract 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 3
- 206010000234 Abortion spontaneous Diseases 0.000 description 2
- 238000000799 fluorescence microscopy Methods 0.000 description 2
- 208000015994 miscarriage Diseases 0.000 description 2
- 208000000995 spontaneous abortion Diseases 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 206010023126 Jaundice Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
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
- G01N21/62—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
- G01N21/64—Fluorescence; Phosphorescence
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/04—Diamond
-
- 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
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6408—Fluorescence; Phosphorescence with measurement of decay time, time resolved fluorescence
-
- 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
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
- G01N21/6456—Spatial resolved fluorescence measurements; Imaging
-
- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
-
- 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
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6408—Fluorescence; Phosphorescence with measurement of decay time, time resolved fluorescence
- G01N2021/641—Phosphorimetry, gated
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
Description
Claims (10)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201511009698.4A CN105548111B (zh) | 2015-12-27 | 2015-12-27 | 一种批量钻石快速筛查方法 |
GB1711655.9A GB2549900B (en) | 2015-12-27 | 2016-05-06 | A fast method for batch screening diamonds |
IL253733A IL253733B (en) | 2015-12-27 | 2016-05-06 | A quick method for scanning diamond groups |
EP16880240.3A EP3447477B1 (en) | 2015-12-27 | 2016-05-06 | Method for quickly screening diamonds in batches |
US15/546,015 US10168282B2 (en) | 2015-12-27 | 2016-05-06 | Fast method for batch screening diamonds |
PCT/CN2016/000246 WO2017113429A1 (zh) | 2015-12-27 | 2016-05-06 | 一种批量钻石快速筛查方法 |
CN201680082581.5A CN109313134B (zh) | 2015-12-27 | 2016-05-06 | 一种批量钻石快速筛查方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201511009698.4A CN105548111B (zh) | 2015-12-27 | 2015-12-27 | 一种批量钻石快速筛查方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105548111A true CN105548111A (zh) | 2016-05-04 |
CN105548111B CN105548111B (zh) | 2018-12-04 |
Family
ID=55827450
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201511009698.4A Active CN105548111B (zh) | 2015-12-27 | 2015-12-27 | 一种批量钻石快速筛查方法 |
CN201680082581.5A Active CN109313134B (zh) | 2015-12-27 | 2016-05-06 | 一种批量钻石快速筛查方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201680082581.5A Active CN109313134B (zh) | 2015-12-27 | 2016-05-06 | 一种批量钻石快速筛查方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10168282B2 (zh) |
EP (1) | EP3447477B1 (zh) |
CN (2) | CN105548111B (zh) |
GB (1) | GB2549900B (zh) |
IL (1) | IL253733B (zh) |
WO (1) | WO2017113429A1 (zh) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017113429A1 (zh) * | 2015-12-27 | 2017-07-06 | 广州标旗电子科技有限公司 | 一种批量钻石快速筛查方法 |
GB2551133A (en) * | 2016-06-06 | 2017-12-13 | De Beers Uk Ltd | Gemstone viewer |
CN108195802A (zh) * | 2017-11-21 | 2018-06-22 | 广州标旗电子科技有限公司 | 一种新型钻石发光成像检测方法 |
CN108956576A (zh) * | 2018-08-15 | 2018-12-07 | 广州标旗光电科技发展股份有限公司 | 一种快速筛选仿钻的方法 |
CN109844509A (zh) * | 2016-06-21 | 2019-06-04 | 索雷克核研究中心 | 用于识别多个固体物体的xrf分析仪、分拣系统及其分拣方法 |
US10942128B2 (en) | 2016-10-24 | 2021-03-09 | Tomra Sorting Gmbh | Method and system for detecting a diamond signature |
CN113504180A (zh) * | 2021-07-21 | 2021-10-15 | 生命珍宝有限公司 | 一种钻石生产的设备监控装置 |
US11333606B2 (en) | 2020-08-18 | 2022-05-17 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Apparatus and method for visually inspecting gemstones |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210270746A1 (en) * | 2018-08-30 | 2021-09-02 | Zvi Yehuda | System and method for laboratory-grown diamond detection |
TW202323797A (zh) | 2019-11-26 | 2023-06-16 | 美商美國寶石學院公司 | 透明載台上之寶石的螢光成像 |
CN116075713A (zh) | 2020-06-10 | 2023-05-05 | 美国杰莫洛吉克尔研究所有限公司 | 用于宝石筛选的发光成像 |
CN114113143B (zh) * | 2022-01-25 | 2022-04-15 | 济宁市中蒜网络科技有限公司 | 一种用于大蒜仓储的可调节式实时监测装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5118181A (en) * | 1989-10-27 | 1992-06-02 | Wellborn Ltd. | Method and apparatus for identifying gemstones, particularly diamonds |
US5801819A (en) * | 1994-09-02 | 1998-09-01 | Gersan Establishment | Distinguishing natural from synthetic diamond |
CN1196120A (zh) * | 1995-07-24 | 1998-10-14 | 杰桑企业 | 钻石的检查方法和设备 |
US5883389A (en) * | 1993-03-05 | 1999-03-16 | Spear; Paul Martyn | Distinguishing natural from synthetic diamonds |
CN1304035A (zh) * | 1999-11-25 | 2001-07-18 | 图像统计公司 | 用于对宝石进行标准化分级的方法和相关的装置 |
US20120170019A1 (en) * | 2008-05-09 | 2012-07-05 | Apollo Diamond Gemstone Corporation | Detection of chemical vapor deposition grown diamond |
WO2015007873A1 (en) * | 2013-07-18 | 2015-01-22 | De Beers Centenary AG | Measuring parameters of a cut gemstone |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9304506D0 (en) * | 1993-03-05 | 1993-04-21 | Gersan Ets | Distinguishing natural from synthetic diamond |
KR101240785B1 (ko) * | 2003-12-12 | 2013-03-07 | 엘리멘트 식스 리미티드 | 화학적 증착 다이아몬드에 마크를 통합시키는 방법 |
TWI395630B (zh) * | 2009-06-30 | 2013-05-11 | Mitsuboshi Diamond Ind Co Ltd | 使用雷射光之玻璃基板加工裝置 |
TWI520813B (zh) * | 2013-08-07 | 2016-02-11 | 中國砂輪企業股份有限公司 | 鑽石篩選裝置 |
CN204556502U (zh) * | 2015-04-17 | 2015-08-12 | 上海生物信息技术研究中心 | 一种荧光成像分析系统 |
CN105136705A (zh) * | 2015-09-30 | 2015-12-09 | 广州标旗电子科技有限公司 | 一种钻石批量检测的方法及装置 |
CN105352929A (zh) * | 2015-11-21 | 2016-02-24 | 国土资源部珠宝玉石首饰管理中心深圳珠宝研究所 | 区分天然宝石与合成宝石的方法及其检测装置 |
CN105548111B (zh) * | 2015-12-27 | 2018-12-04 | 广州标旗光电科技发展股份有限公司 | 一种批量钻石快速筛查方法 |
-
2015
- 2015-12-27 CN CN201511009698.4A patent/CN105548111B/zh active Active
-
2016
- 2016-05-06 US US15/546,015 patent/US10168282B2/en active Active
- 2016-05-06 WO PCT/CN2016/000246 patent/WO2017113429A1/zh active Application Filing
- 2016-05-06 CN CN201680082581.5A patent/CN109313134B/zh active Active
- 2016-05-06 IL IL253733A patent/IL253733B/en unknown
- 2016-05-06 EP EP16880240.3A patent/EP3447477B1/en active Active
- 2016-05-06 GB GB1711655.9A patent/GB2549900B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5118181A (en) * | 1989-10-27 | 1992-06-02 | Wellborn Ltd. | Method and apparatus for identifying gemstones, particularly diamonds |
US5883389A (en) * | 1993-03-05 | 1999-03-16 | Spear; Paul Martyn | Distinguishing natural from synthetic diamonds |
US5801819A (en) * | 1994-09-02 | 1998-09-01 | Gersan Establishment | Distinguishing natural from synthetic diamond |
CN1196120A (zh) * | 1995-07-24 | 1998-10-14 | 杰桑企业 | 钻石的检查方法和设备 |
CN1304035A (zh) * | 1999-11-25 | 2001-07-18 | 图像统计公司 | 用于对宝石进行标准化分级的方法和相关的装置 |
US20120170019A1 (en) * | 2008-05-09 | 2012-07-05 | Apollo Diamond Gemstone Corporation | Detection of chemical vapor deposition grown diamond |
WO2015007873A1 (en) * | 2013-07-18 | 2015-01-22 | De Beers Centenary AG | Measuring parameters of a cut gemstone |
Non-Patent Citations (4)
Title |
---|
兰廷 等: "国内市场小颗粒无色高压高温合成钻石的鉴定特征", 《宝石和宝石学杂志》 * |
吕晓敏 等: "CVD合成钻石的层状生长结构和紫外荧光特征", 《宝石和宝石学杂志》 * |
宋中华 等: "NGTC实验室发现未揭示的CVD合成钻石鉴定特征研究", 《宝石和宝石学杂志》 * |
曹维宇: "《钻石导论》", 31 May 2014, 天津大学出版社 * |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2549900A (en) * | 2015-12-27 | 2017-11-01 | Guangzhou Biaoqi Electronic Tech Co Ltd | Method for quickly screening diamonds in batches |
WO2017113429A1 (zh) * | 2015-12-27 | 2017-07-06 | 广州标旗电子科技有限公司 | 一种批量钻石快速筛查方法 |
GB2549900B (en) * | 2015-12-27 | 2021-12-22 | Guangzhou Biaoqi Electronic Tech Co Ltd | A fast method for batch screening diamonds |
GB2551133A (en) * | 2016-06-06 | 2017-12-13 | De Beers Uk Ltd | Gemstone viewer |
CN109844509A (zh) * | 2016-06-21 | 2019-06-04 | 索雷克核研究中心 | 用于识别多个固体物体的xrf分析仪、分拣系统及其分拣方法 |
CN109844509B (zh) * | 2016-06-21 | 2021-10-26 | 索雷克核研究中心 | Xrf分析仪、识别被标记物体的方法、分拣系统和分拣方法 |
US10942128B2 (en) | 2016-10-24 | 2021-03-09 | Tomra Sorting Gmbh | Method and system for detecting a diamond signature |
CN108195802A (zh) * | 2017-11-21 | 2018-06-22 | 广州标旗电子科技有限公司 | 一种新型钻石发光成像检测方法 |
CN108195802B (zh) * | 2017-11-21 | 2020-09-15 | 广州标旗电子科技有限公司 | 一种钻石发光成像检测方法 |
CN108956576A (zh) * | 2018-08-15 | 2018-12-07 | 广州标旗光电科技发展股份有限公司 | 一种快速筛选仿钻的方法 |
US11333606B2 (en) | 2020-08-18 | 2022-05-17 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Apparatus and method for visually inspecting gemstones |
CN113504180A (zh) * | 2021-07-21 | 2021-10-15 | 生命珍宝有限公司 | 一种钻石生产的设备监控装置 |
CN113504180B (zh) * | 2021-07-21 | 2023-08-18 | 生命珍宝有限公司 | 一种钻石生产的设备监控装置 |
Also Published As
Publication number | Publication date |
---|---|
EP3447477B1 (en) | 2021-12-29 |
GB2549900A (en) | 2017-11-01 |
WO2017113429A1 (zh) | 2017-07-06 |
US20180003633A1 (en) | 2018-01-04 |
US10168282B2 (en) | 2019-01-01 |
GB201711655D0 (en) | 2017-09-06 |
EP3447477A1 (en) | 2019-02-27 |
IL253733A0 (en) | 2017-09-28 |
CN109313134A (zh) | 2019-02-05 |
IL253733B (en) | 2022-07-01 |
EP3447477A4 (en) | 2019-12-04 |
GB2549900B (en) | 2021-12-22 |
CN109313134B (zh) | 2022-01-25 |
CN105548111B (zh) | 2018-12-04 |
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Address after: 510663 Guangdong Guangzhou high tech Industrial Development Zone, Science City, Cai Fang Road No. 7 701 Applicant after: Guangzhou Standard Flag photoelectric technology development Limited by Share Ltd Address before: 510663 Guangdong, Guangzhou, Guangzhou hi tech Industrial Development Zone, Science City, Cai Po Road, No. 7, 701B Applicant before: Guangzhou Biaoqi Electronic Technology Co., Ltd. |
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Denomination of invention: Method for quickly screening diamonds in batches Effective date of registration: 20190118 Granted publication date: 20181204 Pledgee: China Co truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: Guangzhou Standard Flag photoelectric technology development Limited by Share Ltd Registration number: 2019440000034 |
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Denomination of invention: Method for quickly screening diamonds in batches Effective date of registration: 20200429 Granted publication date: 20181204 Pledgee: China Co truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: GUANGZHOU BIAOQI OPTOELECTRONICS TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2020440000102 |
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