DE69427325D1 - Verfahren zur Erhöhung der Festigkeit von künstlichen Diamanten - Google Patents

Verfahren zur Erhöhung der Festigkeit von künstlichen Diamanten

Info

Publication number
DE69427325D1
DE69427325D1 DE69427325T DE69427325T DE69427325D1 DE 69427325 D1 DE69427325 D1 DE 69427325D1 DE 69427325 T DE69427325 T DE 69427325T DE 69427325 T DE69427325 T DE 69427325T DE 69427325 D1 DE69427325 D1 DE 69427325D1
Authority
DE
Germany
Prior art keywords
strength
increasing
artificial diamonds
diamonds
artificial
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 - Fee Related
Application number
DE69427325T
Other languages
English (en)
Other versions
DE69427325T2 (de
Inventor
William E Jackson
Dong-Sil Park
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE69427325D1 publication Critical patent/DE69427325D1/de
Publication of DE69427325T2 publication Critical patent/DE69427325T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • 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
    • B01J2203/069—Recrystallisation
DE69427325T 1993-08-11 1994-08-01 Verfahren zur Erhöhung der Festigkeit von künstlichen Diamanten Expired - Fee Related DE69427325T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10553793A 1993-08-11 1993-08-11

Publications (2)

Publication Number Publication Date
DE69427325D1 true DE69427325D1 (de) 2001-07-05
DE69427325T2 DE69427325T2 (de) 2001-11-29

Family

ID=22306383

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69427325T Expired - Fee Related DE69427325T2 (de) 1993-08-11 1994-08-01 Verfahren zur Erhöhung der Festigkeit von künstlichen Diamanten

Country Status (5)

Country Link
US (1) US5523071A (de)
EP (1) EP0638670B1 (de)
JP (1) JPH07165494A (de)
DE (1) DE69427325T2 (de)
ES (1) ES2157238T3 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4291886B2 (ja) * 1994-12-05 2009-07-08 住友電気工業株式会社 低欠陥ダイヤモンド単結晶及びその合成方法
US6887144B2 (en) 1996-11-12 2005-05-03 Diamond Innovations, Inc. Surface impurity-enriched diamond and method of making
EP0892092B1 (de) * 1997-07-16 2003-10-01 General Electric Company Diamant mit einer angereicherten Oberfläche
US6692714B2 (en) 1997-10-17 2004-02-17 Suresh Shankarappa Vagarali High pressure/high temperature production of colorless and fancy-colored diamonds
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
US6322891B1 (en) * 2000-04-28 2001-11-27 General Electric Company Thermally-diffused boron diamond and its production
US20030217869A1 (en) * 2002-05-21 2003-11-27 Snyder Shelly Rosemarie Polycrystalline diamond cutters with enhanced impact resistance
US7172655B2 (en) 2002-09-06 2007-02-06 Daniel James Twitchen Colored diamond
JP4585243B2 (ja) * 2004-06-30 2010-11-24 株式会社アライドマテリアル 超精密加工用単結晶ダイヤモンド切削工具
EP1990313A1 (de) 2007-05-10 2008-11-12 INSERM (Institut National de la Santé et de la Recherche Médicale) Verfahren zur Herstellung lichtemittierender Diamant-Nanoteilchen
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
WO2021025015A1 (ja) * 2019-08-06 2021-02-11 住友電気工業株式会社 被覆超砥粒、砥粒、及びホイール

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034066A (en) * 1973-11-02 1977-07-05 General Electric Company Method and high pressure reaction vessel for quality control of diamond growth on diamond seed
JPS5311190A (en) * 1976-07-19 1978-02-01 Ishizuka Kenkyusho Diamond granules useful for production of electrodeposition tools and manufacture
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
DE3625743A1 (de) * 1986-07-30 1988-02-11 Winter & Sohn Ernst Verfahren zum bearbeiten von diamantkoernern
JPH0340993A (ja) * 1989-07-06 1991-02-21 Kenjirou Uegami ダイヤモンドの加工方法
US5094915A (en) * 1990-05-16 1992-03-10 The Ohio State University Laser-excited synthesis of carbon films from carbon monoxide-containing gas mixtures

Also Published As

Publication number Publication date
DE69427325T2 (de) 2001-11-29
US5523071A (en) 1996-06-04
EP0638670A1 (de) 1995-02-15
JPH07165494A (ja) 1995-06-27
ES2157238T3 (es) 2001-08-16
EP0638670B1 (de) 2001-05-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: RUEGER UND KOLLEGEN, 73728 ESSLINGEN

8339 Ceased/non-payment of the annual fee