JPS6243960B2 - - Google Patents
Info
- Publication number
- JPS6243960B2 JPS6243960B2 JP55003441A JP344180A JPS6243960B2 JP S6243960 B2 JPS6243960 B2 JP S6243960B2 JP 55003441 A JP55003441 A JP 55003441A JP 344180 A JP344180 A JP 344180A JP S6243960 B2 JPS6243960 B2 JP S6243960B2
- Authority
- JP
- Japan
- Prior art keywords
- diamond
- color
- heat treatment
- diamonds
- reducing
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 239000010432 diamond Substances 0.000 claims description 33
- 229910003460 diamond Inorganic materials 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 238000010894 electron beam technology Methods 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 238000010587 phase diagram Methods 0.000 description 2
- 101001081180 Homo sapiens Humanin-like 10 Proteins 0.000 description 1
- 102100027734 Humanin-like 10 Human genes 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21H—OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES, NOT OTHERWISE PROVIDED FOR; UTILISING COSMIC RADIATION
- G21H5/00—Applications of radiation from radioactive sources or arrangements therefor, not otherwise provided for
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/25—Diamond
- C01B32/28—After-treatment, e.g. purification, irradiation, separation or recovery
-
- 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
-
- 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
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
-
- 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
- B01J2203/0695—Colour change
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Carbon And Carbon Compounds (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT50015/80A IT1144018B (it) | 1979-10-30 | 1980-10-28 | Specchio in materiale composito e procedimento per produrlo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7901728 | 1979-01-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55126521A JPS55126521A (en) | 1980-09-30 |
| JPS6243960B2 true JPS6243960B2 (2) | 1987-09-17 |
Family
ID=10502575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP344180A Granted JPS55126521A (en) | 1979-01-17 | 1980-01-16 | Diamond color diminishing method |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4399364A (2) |
| EP (1) | EP0014528B1 (2) |
| JP (1) | JPS55126521A (2) |
| DE (1) | DE3062484D1 (2) |
| IL (1) | IL59047A (2) |
| ZA (1) | ZA797004B (2) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4741529A (en) * | 1985-01-25 | 1988-05-03 | Bio-Dynamic Innovations, Inc. | Exercise apparatus |
| IL81537A (en) * | 1986-02-24 | 1991-05-12 | De Beers Ind Diamond | Method and synthetic diamond detector for detection of nuclear radiation |
| US4749869A (en) * | 1986-05-14 | 1988-06-07 | Anil Dholakia | Process for irradiating topaz and the product resulting therefrom |
| EP0275063A3 (en) * | 1987-01-12 | 1992-05-27 | Sumitomo Electric Industries Limited | Light emitting element comprising diamond and method for producing the same |
| JP2571795B2 (ja) * | 1987-11-17 | 1997-01-16 | 住友電気工業株式会社 | 紫色ダイヤモンドおよびその製造方法 |
| 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 |
| JPH0288498A (ja) * | 1988-06-13 | 1990-03-28 | Sumitomo Electric Ind Ltd | ダイヤモンドレーザ結晶およびその作製方法 |
| US4985226A (en) * | 1988-06-20 | 1991-01-15 | Sumitomo Electric Industries, Ltd. | Hole-burning material and production thereof |
| US5328855A (en) * | 1991-07-25 | 1994-07-12 | Matsushita Electric Industrial Co., Ltd. | Formation of semiconductor diamond |
| US5888918A (en) * | 1997-04-25 | 1999-03-30 | Pollak; Richard | Method for enhancing the color of minerals useful as gemstones |
| US6692714B2 (en) | 1997-10-17 | 2004-02-17 | Suresh Shankarappa Vagarali | High pressure/high temperature production of colorless and fancy-colored diamonds |
| WO1999067171A1 (en) * | 1998-06-24 | 1999-12-29 | Sellschop Jacques Pierre Fried | A method of altering the colour of a material |
| JP4294140B2 (ja) | 1999-01-27 | 2009-07-08 | 有限会社アプライドダイヤモンド | ダイヤモンド薄膜の改質方法及びダイヤモンド薄膜の改質及び薄膜形成方法並びにダイヤモンド薄膜の加工方法 |
| DE19915896C2 (de) * | 1999-04-08 | 2003-03-06 | Herman A C Dierckx | Verfahren zum Entfärben von Diamanten |
| IL148287A (en) | 1999-08-25 | 2007-05-15 | Bellataire Internat Llc | Method for improving the color of discolored diamonds |
| KR100812112B1 (ko) | 2000-08-11 | 2008-03-12 | 벨라타이레 인터내셔날 엘엘씨. | 다이아몬드의 고압 및 고온 제조방법 |
| RU2328563C2 (ru) * | 2002-09-06 | 2008-07-10 | Элемент Сикс Лимитед | Цветные алмазы |
| US20050249655A1 (en) * | 2003-01-08 | 2005-11-10 | Vagarali Suresh S | High pressure/high temperature production of colorless and fancy-colored diamonds |
| US8110171B1 (en) * | 2005-11-17 | 2012-02-07 | Rajneesh Bhandari | Method for decolorizing diamonds |
| CN101254917B (zh) * | 2007-12-14 | 2010-06-09 | 武汉理工大学 | 提高金刚石微粉品质的激光加工方法 |
| US8884251B2 (en) * | 2010-06-03 | 2014-11-11 | Element Six Limited | Diamond tools |
| 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 |
| GB2492822A (en) * | 2011-07-14 | 2013-01-16 | Element Six Ltd | Modifying diamond components by irradiation |
| US11988619B2 (en) | 2019-07-25 | 2024-05-21 | Quantum Technologies Gmbh | NV-center-based microwave-free quantum sensor and uses and characteristics thereof |
| DE102024120092A1 (de) | 2024-07-15 | 2026-01-15 | Leibniz-Institut für Oberflächenmodifizierung e.V. | Verfahren zur Erzeugung von Defekten in Diamanten |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL81096C (2) * | 1948-05-31 | |||
| US2945793A (en) * | 1952-09-22 | 1960-07-19 | Dugdale Ronald Arthur | Process for coloring diamonds |
| BE537440A (2) * | 1954-04-19 | |||
| US4124690A (en) * | 1976-07-21 | 1978-11-07 | General Electric Company | Annealing type Ib or mixed type Ib-Ia natural diamond crystal |
| GB1588445A (en) * | 1977-05-26 | 1981-04-23 | Nat Res Dev | Toughening diamond |
-
1979
- 1979-12-21 ZA ZA00797004A patent/ZA797004B/xx unknown
- 1979-12-27 IL IL59047A patent/IL59047A/xx unknown
-
1980
- 1980-01-15 EP EP80300144A patent/EP0014528B1/en not_active Expired
- 1980-01-15 DE DE8080300144T patent/DE3062484D1/de not_active Expired
- 1980-01-16 JP JP344180A patent/JPS55126521A/ja active Granted
-
1981
- 1981-09-15 US US06/302,398 patent/US4399364A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0014528B1 (en) | 1983-03-30 |
| IL59047A (en) | 1983-02-23 |
| JPS55126521A (en) | 1980-09-30 |
| EP0014528A1 (en) | 1980-08-20 |
| US4399364A (en) | 1983-08-16 |
| DE3062484D1 (en) | 1983-05-05 |
| ZA797004B (en) | 1980-11-26 |
| IL59047A0 (en) | 1980-03-31 |
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