ZA200201304B - High pressure/high temperature production of colored diamonds. - Google Patents
High pressure/high temperature production of colored diamonds. Download PDFInfo
- Publication number
- ZA200201304B ZA200201304B ZA200201304A ZA200201304A ZA200201304B ZA 200201304 B ZA200201304 B ZA 200201304B ZA 200201304 A ZA200201304 A ZA 200201304A ZA 200201304 A ZA200201304 A ZA 200201304A ZA 200201304 B ZA200201304 B ZA 200201304B
- Authority
- ZA
- South Africa
- Prior art keywords
- diamond
- type
- color
- diamonds
- centers
- Prior art date
Links
- 239000010432 diamond Substances 0.000 title claims abstract description 224
- 238000004519 manufacturing process Methods 0.000 title description 5
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 123
- 238000000034 method Methods 0.000 claims abstract description 34
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000010439 graphite Substances 0.000 claims abstract description 23
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 23
- 239000006187 pill Substances 0.000 claims abstract description 23
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 9
- 229910052754 neon Inorganic materials 0.000 claims abstract description 8
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000010587 phase diagram Methods 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 70
- 229910052757 nitrogen Inorganic materials 0.000 claims description 36
- 150000003839 salts Chemical class 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000292 calcium oxide Substances 0.000 claims description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 2
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 claims 3
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 claims 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims 2
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 claims 2
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 claims 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims 1
- UNMYWSMUMWPJLR-UHFFFAOYSA-L Calcium iodide Chemical compound [Ca+2].[I-].[I-] UNMYWSMUMWPJLR-UHFFFAOYSA-L 0.000 claims 1
- 229910001622 calcium bromide Inorganic materials 0.000 claims 1
- 239000001110 calcium chloride Substances 0.000 claims 1
- 229910001628 calcium chloride Inorganic materials 0.000 claims 1
- WGEFECGEFUFIQW-UHFFFAOYSA-L calcium dibromide Chemical compound [Ca+2].[Br-].[Br-] WGEFECGEFUFIQW-UHFFFAOYSA-L 0.000 claims 1
- 229940046413 calcium iodide Drugs 0.000 claims 1
- 229910001640 calcium iodide Inorganic materials 0.000 claims 1
- 239000001103 potassium chloride Substances 0.000 claims 1
- 235000011164 potassium chloride Nutrition 0.000 claims 1
- 235000009518 sodium iodide Nutrition 0.000 claims 1
- 238000000137 annealing Methods 0.000 description 20
- 238000010521 absorption reaction Methods 0.000 description 19
- 125000004433 nitrogen atom Chemical group N* 0.000 description 15
- 239000013078 crystal Substances 0.000 description 13
- 238000011282 treatment Methods 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 9
- 239000004575 stone Substances 0.000 description 9
- 238000001228 spectrum Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 239000003086 colorant Substances 0.000 description 6
- 238000004020 luminiscence type Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000001429 visible spectrum Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010437 gem Substances 0.000 description 4
- 238000002329 infrared spectrum Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000004040 coloring Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002829 nitrogen Chemical class 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229910052903 pyrophyllite Inorganic materials 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 241000287219 Serinus canaria Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- -1 describe above Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 238000013023 gasketing Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/06—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
- B01J3/062—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies characterised by the composition of the materials to be processed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/06—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
- B01J3/065—Presses for the formation of diamonds or boronitrides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/0605—Composition of the material to be processed
- B01J2203/061—Graphite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/0605—Composition of the material to be processed
- B01J2203/062—Diamond
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/065—Composition of the material produced
- B01J2203/0655—Diamond
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/0675—Structural or physico-chemical features of the materials processed
- B01J2203/068—Crystal growth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/0675—Structural or physico-chemical features of the materials processed
- B01J2203/0695—Colour change
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Carbon And Carbon Compounds (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Adornments (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Coloring (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15097999P | 1999-08-25 | 1999-08-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200201304B true ZA200201304B (en) | 2002-11-27 |
Family
ID=22536820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200201304A ZA200201304B (en) | 1999-08-25 | 2002-02-15 | High pressure/high temperature production of colored diamonds. |
Country Status (11)
Country | Link |
---|---|
EP (2) | EP1645328A1 (de) |
CN (1) | CN1229174C (de) |
AT (1) | ATE323550T1 (de) |
AU (1) | AU6933700A (de) |
CA (1) | CA2382785A1 (de) |
DE (1) | DE60027441T2 (de) |
IL (1) | IL148287A (de) |
RU (2) | RU2252066C2 (de) |
UA (1) | UA74159C2 (de) |
WO (1) | WO2001014050A1 (de) |
ZA (1) | ZA200201304B (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6692714B2 (en) | 1997-10-17 | 2004-02-17 | Suresh Shankarappa Vagarali | High pressure/high temperature production of colorless and fancy-colored diamonds |
GB0007890D0 (en) * | 2000-03-31 | 2000-05-17 | De Beers Ind Diamond | Colour change of diamond |
GB0007887D0 (en) * | 2000-03-31 | 2000-05-17 | De Beers Ind Diamond | Colour change of diamond |
RU2293603C2 (ru) * | 2000-03-31 | 2007-02-20 | Элемент Сикс Текнолоджиз (Пти) Лтд. | Способ изменения цвета алмаза при высокой температуре и высоком давлении |
CN1772362A (zh) | 2000-08-11 | 2006-05-17 | 金刚石创新公司 | 改变变色天然钻石颜色的方法 |
EP1637218A3 (de) * | 2000-08-11 | 2010-01-13 | Bellataire International LLC | Hochtemperatur/Hochdruck-Verfahren zur Herstellung von gefärbten Diamanten |
US7172655B2 (en) | 2002-09-06 | 2007-02-06 | Daniel James Twitchen | Colored diamond |
GB0227261D0 (en) | 2002-11-21 | 2002-12-31 | Element Six Ltd | Optical quality diamond material |
WO2008079083A1 (en) * | 2006-12-27 | 2008-07-03 | Sandvik Intellectual Property Ab | Punch for cold forming operations |
US8961920B1 (en) | 2011-04-26 | 2015-02-24 | Us Synthetic Corporation | Methods of altering the color of a diamond by irradiation and high-pressure/high-temperature processing |
JP6052182B2 (ja) | 2011-11-14 | 2016-12-27 | コニカミノルタ株式会社 | 有機エレクトロルミネッセンス素子、及び、面状発光体 |
GB201513446D0 (en) * | 2015-07-30 | 2015-09-16 | Element Six Uk Ltd And Element Six Technologies Ltd | Capsule assemblies for ultra-high pressure presses and methods for using them |
GB201513453D0 (en) * | 2015-07-30 | 2015-09-16 | Element Six Uk Ltd And Element Six Technologies Ltd | Capsule assemblies for ultra-high pressure presses and methods for using them |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL282751A (de) * | 1961-08-31 | |||
US4174380A (en) * | 1976-07-21 | 1979-11-13 | General Electric Company | Annealing synthetic diamond type Ib |
US4124690A (en) * | 1976-07-21 | 1978-11-07 | General Electric Company | Annealing type Ib or mixed type Ib-Ia natural diamond crystal |
ZA797004B (en) * | 1979-01-17 | 1980-11-26 | De Beers Ind Diamond | Diamond treatment |
JP2571808B2 (ja) * | 1988-01-13 | 1997-01-16 | 住友電気工業株式会社 | 緑色ダイヤモンド及びその製造方法 |
EP0671482A1 (de) * | 1994-03-11 | 1995-09-13 | General Electric Company | Gehärteter, aus der Dampfphase chemisch abgeschiedener Diamant |
-
2000
- 2000-08-25 IL IL148287A patent/IL148287A/en active IP Right Grant
- 2000-08-25 WO PCT/US2000/023247 patent/WO2001014050A1/en active IP Right Grant
- 2000-08-25 EP EP05024773A patent/EP1645328A1/de not_active Withdrawn
- 2000-08-25 AU AU69337/00A patent/AU6933700A/en not_active Abandoned
- 2000-08-25 EP EP00957768A patent/EP1210171B1/de not_active Expired - Lifetime
- 2000-08-25 AT AT00957768T patent/ATE323550T1/de not_active IP Right Cessation
- 2000-08-25 UA UA2002032167A patent/UA74159C2/uk unknown
- 2000-08-25 RU RU2002107310/15A patent/RU2252066C2/ru not_active IP Right Cessation
- 2000-08-25 CN CNB008146225A patent/CN1229174C/zh not_active Expired - Fee Related
- 2000-08-25 CA CA002382785A patent/CA2382785A1/en not_active Abandoned
- 2000-08-25 DE DE60027441T patent/DE60027441T2/de not_active Expired - Lifetime
-
2002
- 2002-02-15 ZA ZA200201304A patent/ZA200201304B/en unknown
-
2005
- 2005-01-20 RU RU2005101335/15A patent/RU2005101335A/ru not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE60027441D1 (de) | 2006-05-24 |
IL148287A0 (en) | 2002-09-12 |
DE60027441T2 (de) | 2006-12-21 |
EP1210171A1 (de) | 2002-06-05 |
AU6933700A (en) | 2001-03-19 |
WO2001014050A1 (en) | 2001-03-01 |
EP1645328A1 (de) | 2006-04-12 |
RU2005101335A (ru) | 2006-06-27 |
CN1229174C (zh) | 2005-11-30 |
UA74159C2 (uk) | 2005-11-15 |
EP1210171B1 (de) | 2006-04-19 |
ATE323550T1 (de) | 2006-05-15 |
IL148287A (en) | 2007-05-15 |
RU2252066C2 (ru) | 2005-05-20 |
CN1382069A (zh) | 2002-11-27 |
CA2382785A1 (en) | 2001-03-01 |
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