JPS55126521A - Diamond color diminishing method - Google Patents

Diamond color diminishing method

Info

Publication number
JPS55126521A
JPS55126521A JP344180A JP344180A JPS55126521A JP S55126521 A JPS55126521 A JP S55126521A JP 344180 A JP344180 A JP 344180A JP 344180 A JP344180 A JP 344180A JP S55126521 A JPS55126521 A JP S55126521A
Authority
JP
Japan
Prior art keywords
diamond color
diminishing method
diminishing
diamond
color
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.)
Granted
Application number
JP344180A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6243960B2 (2
Inventor
Ebansu Torebaa
Fuiritsupu Aren Buraian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
De Beers Industrial Diamond Division Pty Ltd
Original Assignee
De Beers Industrial Diamond Division Pty Ltd
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 De Beers Industrial Diamond Division Pty Ltd filed Critical De Beers Industrial Diamond Division Pty Ltd
Publication of JPS55126521A publication Critical patent/JPS55126521A/ja
Priority to IT50015/80A priority Critical patent/IT1144018B/it
Publication of JPS6243960B2 publication Critical patent/JPS6243960B2/ja
Granted legal-status Critical Current

Links

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)
JP344180A 1979-01-17 1980-01-16 Diamond color diminishing method Granted JPS55126521A (en)

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 true JPS55126521A (en) 1980-09-30
JPS6243960B2 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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005538018A (ja) * 2002-09-06 2005-12-15 エレメント シックス リミテッド 着色されたダイヤモンド
JP2013527042A (ja) * 2010-06-03 2013-06-27 エレメント シックス リミテッド ダイヤモンド工具

Families Citing this family (23)

* Cited by examiner, † Cited by third party
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
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
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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005538018A (ja) * 2002-09-06 2005-12-15 エレメント シックス リミテッド 着色されたダイヤモンド
JP2013527042A (ja) * 2010-06-03 2013-06-27 エレメント シックス リミテッド ダイヤモンド工具
JP2013534869A (ja) * 2010-06-03 2013-09-09 エレメント シックス リミテッド ダイヤモンド工具

Also Published As

Publication number Publication date
EP0014528B1 (en) 1983-03-30
IL59047A (en) 1983-02-23
JPS6243960B2 (2) 1987-09-17
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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