EP1931594A4 - Sintered polycrystalline diamond material with extremely fine microstructures - Google Patents

Sintered polycrystalline diamond material with extremely fine microstructures

Info

Publication number
EP1931594A4
EP1931594A4 EP06803564A EP06803564A EP1931594A4 EP 1931594 A4 EP1931594 A4 EP 1931594A4 EP 06803564 A EP06803564 A EP 06803564A EP 06803564 A EP06803564 A EP 06803564A EP 1931594 A4 EP1931594 A4 EP 1931594A4
Authority
EP
European Patent Office
Prior art keywords
polycrystalline diamond
diamond material
extremely fine
sintered polycrystalline
fine microstructures
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.)
Withdrawn
Application number
EP06803564A
Other languages
German (de)
French (fr)
Other versions
EP1931594A2 (en
Inventor
Steven Webb
Ram Raghavan
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.)
Diamond Innovations Inc
Original Assignee
Diamond Innovations Inc
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 Diamond Innovations Inc filed Critical Diamond Innovations Inc
Publication of EP1931594A2 publication Critical patent/EP1931594A2/en
Publication of EP1931594A4 publication Critical patent/EP1931594A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/52Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/06Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
    • B01J3/062Processes 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/062Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C26/00Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00Processes utilising sub- or super atmospheric pressure
    • B01J2203/06High pressure synthesis
    • B01J2203/0605Composition of the material to be processed
    • B01J2203/062Diamond
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00Processes utilising sub- or super atmospheric pressure
    • B01J2203/06High pressure synthesis
    • B01J2203/065Composition of the material produced
    • B01J2203/0655Diamond
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00Processes utilising sub- or super atmospheric pressure
    • B01J2203/06High pressure synthesis
    • B01J2203/0675Structural or physico-chemical features of the materials processed
    • B01J2203/0685Crystal sintering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/002Tools other than cutting tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00Supplementary information concerning processes or compositions relating to powder metallurgy
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/42Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422Carbon
    • C04B2235/427Diamond
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54Particle size related information
    • C04B2235/5418Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5445Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/72Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
    • C04B2235/722Nitrogen content
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/72Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
    • C04B2235/723Oxygen content
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74Physical characteristics
    • C04B2235/78Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
    • C04B2235/782Grain size distributions
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74Physical characteristics
    • C04B2235/78Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
    • C04B2235/785Submicron sized grains, i.e. from 0,1 to 1 micron
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/95Products characterised by their size, e.g. microceramics
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Composite Materials (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
EP06803564A 2005-09-15 2006-09-14 Sintered polycrystalline diamond material with extremely fine microstructures Withdrawn EP1931594A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US71722705P 2005-09-15 2005-09-15
US11/531,389 US20070056778A1 (en) 2005-09-15 2006-09-13 Sintered polycrystalline diamond material with extremely fine microstructures
PCT/US2006/035801 WO2007035394A2 (en) 2005-09-15 2006-09-14 Sintered polycrystalline diamond material with extremely fine microstructures

Publications (2)

Publication Number Publication Date
EP1931594A2 EP1931594A2 (en) 2008-06-18
EP1931594A4 true EP1931594A4 (en) 2013-01-02

Family

ID=37853916

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06803564A Withdrawn EP1931594A4 (en) 2005-09-15 2006-09-14 Sintered polycrystalline diamond material with extremely fine microstructures

Country Status (5)

Country Link
US (1) US20070056778A1 (en)
EP (1) EP1931594A4 (en)
JP (1) JP5289957B2 (en)
KR (1) KR101334048B1 (en)
WO (1) WO2007035394A2 (en)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9103172B1 (en) * 2005-08-24 2015-08-11 Us Synthetic Corporation Polycrystalline diamond compact including a pre-sintered polycrystalline diamond table including a nonmetallic catalyst that limits infiltration of a metallic-catalyst infiltrant therein and applications therefor
US7841428B2 (en) 2006-02-10 2010-11-30 Us Synthetic Corporation Polycrystalline diamond apparatuses and methods of manufacture
US7516804B2 (en) 2006-07-31 2009-04-14 Us Synthetic Corporation Polycrystalline diamond element comprising ultra-dispersed diamond grain structures and applications utilizing same
US9017438B1 (en) 2006-10-10 2015-04-28 Us Synthetic Corporation Polycrystalline diamond compact including a polycrystalline diamond table with a thermally-stable region having at least one low-carbon-solubility material and applications therefor
US8080071B1 (en) 2008-03-03 2011-12-20 Us Synthetic Corporation Polycrystalline diamond compact, methods of fabricating same, and applications therefor
US8236074B1 (en) 2006-10-10 2012-08-07 Us Synthetic Corporation Superabrasive elements, methods of manufacturing, and drill bits including same
US8821604B2 (en) 2006-11-20 2014-09-02 Us Synthetic Corporation Polycrystalline diamond compact and method of making same
US8080074B2 (en) 2006-11-20 2011-12-20 Us Synthetic Corporation Polycrystalline diamond compacts, and related methods and applications
US8034136B2 (en) 2006-11-20 2011-10-11 Us Synthetic Corporation Methods of fabricating superabrasive articles
JP5016678B2 (en) 2007-10-19 2012-09-05 日本電信電話株式会社 User authentication system and method
US8999025B1 (en) 2008-03-03 2015-04-07 Us Synthetic Corporation Methods of fabricating a polycrystalline diamond body with a sintering aid/infiltrant at least saturated with non-diamond carbon and resultant products such as compacts
US8911521B1 (en) 2008-03-03 2014-12-16 Us Synthetic Corporation Methods of fabricating a polycrystalline diamond body with a sintering aid/infiltrant at least saturated with non-diamond carbon and resultant products such as compacts
US8057775B2 (en) * 2008-04-22 2011-11-15 Us Synthetic Corporation Polycrystalline diamond materials, methods of fabricating same, and applications using same
US8986408B1 (en) 2008-04-29 2015-03-24 Us Synthetic Corporation Methods of fabricating polycrystalline diamond products using a selected amount of graphite particles
US7842111B1 (en) 2008-04-29 2010-11-30 Us Synthetic Corporation Polycrystalline diamond compacts, methods of fabricating same, and applications using same
US8297382B2 (en) 2008-10-03 2012-10-30 Us Synthetic Corporation Polycrystalline diamond compacts, method of fabricating same, and various applications
US8071173B1 (en) 2009-01-30 2011-12-06 Us Synthetic Corporation Methods of fabricating a polycrystalline diamond compact including a pre-sintered polycrystalline diamond table having a thermally-stable region
CA2760984C (en) * 2009-05-20 2018-05-01 Smith International, Inc. Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements
GB0909350D0 (en) 2009-06-01 2009-07-15 Element Six Production Pty Ltd Ploycrystalline diamond material and method of making same
US8490721B2 (en) * 2009-06-02 2013-07-23 Element Six Abrasives S.A. Polycrystalline diamond
WO2011017649A2 (en) * 2009-08-07 2011-02-10 Baker Hughes Incorporated Polycrystalline compacts including in-situ nucleated grains earth-boring tools including such compacts, and methods of forming such compacts and tools
US8800693B2 (en) 2010-11-08 2014-08-12 Baker Hughes Incorporated Polycrystalline compacts including nanoparticulate inclusions, cutting elements and earth-boring tools including such compacts, and methods of forming same
US8727042B2 (en) * 2009-09-11 2014-05-20 Baker Hughes Incorporated Polycrystalline compacts having material disposed in interstitial spaces therein, and cutting elements including such compacts
EP2470317A4 (en) * 2009-08-27 2015-04-01 Smith International Method of forming metal deposits on ultrahard materials
US20110061944A1 (en) 2009-09-11 2011-03-17 Danny Eugene Scott Polycrystalline diamond composite compact
WO2011041693A2 (en) * 2009-10-02 2011-04-07 Baker Hughes Incorporated Cutting elements configured to generate shear lips during use in cutting, earth-boring tools including such cutting elements, and methods of forming and using such cutting elements and earth-boring tools
CA2777110C (en) 2009-10-15 2014-12-16 Baker Hughes Incorporated Polycrystalline compacts including nanoparticulate inclusions, cutting elements and earth-boring tools including such compacts, and methods of forming such compacts
US9949539B2 (en) 2010-06-03 2018-04-24 Frederick Goldman, Inc. Method of making multi-coated metallic article
US8840693B2 (en) 2010-10-29 2014-09-23 Baker Hughes Incorporated Coated particles and related methods
RU2013124412A (en) 2010-10-29 2014-12-10 Бейкер Хьюз Инкорпорейтед GRAPHENE-COATED DIAMOND PARTICLES, COMPOSITIONS AND INTERMEDIATE STRUCTURES CONTAINING SUCH PARTICLES, AND METHODS FOR FORMING GRAFEN-COATED DIAMOND PARTICLES AND POLYCRYSTALLINE
IE86959B1 (en) * 2010-11-29 2019-02-20 Element Six Ltd Fabrication of ultrafine polycrystalline diamond with nano-sized grain growth inhibitor
US10309158B2 (en) 2010-12-07 2019-06-04 Us Synthetic Corporation Method of partially infiltrating an at least partially leached polycrystalline diamond table and resultant polycrystalline diamond compacts
US9027675B1 (en) 2011-02-15 2015-05-12 Us Synthetic Corporation Polycrystalline diamond compact including a polycrystalline diamond table containing aluminum carbide therein and applications therefor
US8932437B2 (en) 2011-06-03 2015-01-13 Frederick Goldman, Inc. Multi-coated metallic products and methods of making the same
AU2012262012A1 (en) 2011-06-03 2013-12-12 Frederick Goldman, Inc. Coated metallic products and methods for making the same
EP2758160A1 (en) 2011-09-21 2014-07-30 Diamond Innovations, Inc. Polycrystalline diamond compacts having improved wear characteristics and methods of making the same
US8882872B2 (en) * 2011-10-04 2014-11-11 Baker Hughes Incorporated Graphite coated metal nanoparticles for polycrystalline diamond compact synthesis
KR101457066B1 (en) * 2012-12-28 2014-11-03 일진다이아몬드(주) Poly crystalline diamond and manufacturing method thereof
KR101443762B1 (en) * 2012-12-28 2014-09-30 일진다이아몬드(주) Poly crystalline diamond sintered with Ti coated diamond particles and the manufacturing method thereof
US10287824B2 (en) 2016-03-04 2019-05-14 Baker Hughes Incorporated Methods of forming polycrystalline diamond
US11292750B2 (en) 2017-05-12 2022-04-05 Baker Hughes Holdings Llc Cutting elements and structures
US11396688B2 (en) 2017-05-12 2022-07-26 Baker Hughes Holdings Llc Cutting elements, and related structures and earth-boring tools
US10870606B2 (en) 2018-03-05 2020-12-22 Wenhui Jiang Polycrystalline diamond comprising nanostructured polycrystalline diamond particles and method of making the same
US11536091B2 (en) 2018-05-30 2022-12-27 Baker Hughes Holding LLC Cutting elements, and related earth-boring tools and methods
CN116348624A (en) * 2020-10-22 2023-06-27 住友电工硬质合金株式会社 Diamond sintered body and tool provided with diamond sintered body

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09316587A (en) * 1996-05-29 1997-12-09 Sumitomo Electric Ind Ltd High strength fine-grained diamond sintered compact and tool using the same
WO2004054943A1 (en) * 2002-12-18 2004-07-01 Japan Science And Technology Agency Heat-resistant composite diamond sintered product and method for production thereof
US20050019114A1 (en) * 2003-07-25 2005-01-27 Chien-Min Sung Nanodiamond PCD and methods of forming

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3574580A (en) * 1968-11-08 1971-04-13 Atomic Energy Commission Process for producing sintered diamond compact and products
US3831428A (en) * 1973-03-26 1974-08-27 Gen Electric Composite wire drawing die
US4063909A (en) * 1974-09-18 1977-12-20 Robert Dennis Mitchell Abrasive compact brazed to a backing
US4104441A (en) * 1975-07-29 1978-08-01 Institut Sverkhtverdykh Materialov Ssr Polycrystalline diamond member and method of preparing same
US4303442A (en) * 1978-08-26 1981-12-01 Sumitomo Electric Industries, Ltd. Diamond sintered body and the method for producing the same
SE457537B (en) * 1981-09-04 1989-01-09 Sumitomo Electric Industries DIAMOND PRESSURE BODY FOR A TOOL AND WAY TO MANUFACTURE IT
JPS6291469A (en) * 1985-10-18 1987-04-25 科学技術庁無機材質研究所長 Manufacture of highly hard and insulative diamond sintered body
JP2764044B2 (en) * 1988-07-18 1998-06-11 日本油脂株式会社 Diamond sintered body composed of ultrafine particles and method for producing the same
US4954139A (en) * 1989-03-31 1990-09-04 The General Electric Company Method for producing polycrystalline compact tool blanks with flat carbide support/diamond or CBN interfaces
US5488268A (en) * 1991-04-04 1996-01-30 Magnetek, Inc. Electrical connector with improved centering of mating terminal pins, for a fluorescent-lighting ballast
ZA943645B (en) * 1993-05-27 1995-01-27 De Beers Ind Diamond A method of making an abrasive compact
JPH07156003A (en) * 1993-12-07 1995-06-20 Sumitomo Electric Ind Ltd Polycrystal diamond tool and manufacture thereof
US5855996A (en) * 1995-12-12 1999-01-05 General Electric Company Abrasive compact with improved properties
US5952102A (en) * 1996-05-13 1999-09-14 Ceramatec, Inc. Diamond coated WC and WC-based composites with high apparent toughness
US6196910B1 (en) * 1998-08-10 2001-03-06 General Electric Company Polycrystalline diamond compact cutter with improved cutting by preventing chip build up
US6139460A (en) * 1999-05-24 2000-10-31 Delphi Technologies, Inc. Electric caliper
US6852414B1 (en) * 2002-06-25 2005-02-08 Diamond Innovations, Inc. Self sharpening polycrystalline diamond compact with high impact resistance
ZA200504494B (en) * 2004-06-01 2006-04-26 Smith International Methods for manufacturing ultrahard cutting elements

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09316587A (en) * 1996-05-29 1997-12-09 Sumitomo Electric Ind Ltd High strength fine-grained diamond sintered compact and tool using the same
WO2004054943A1 (en) * 2002-12-18 2004-07-01 Japan Science And Technology Agency Heat-resistant composite diamond sintered product and method for production thereof
US20050019114A1 (en) * 2003-07-25 2005-01-27 Chien-Min Sung Nanodiamond PCD and methods of forming

Also Published As

Publication number Publication date
JP2009508798A (en) 2009-03-05
KR20080059569A (en) 2008-06-30
WO2007035394A3 (en) 2007-06-07
JP5289957B2 (en) 2013-09-11
US20070056778A1 (en) 2007-03-15
KR101334048B1 (en) 2013-11-29
EP1931594A2 (en) 2008-06-18
WO2007035394A2 (en) 2007-03-29

Similar Documents

Publication Publication Date Title
EP1931594A4 (en) Sintered polycrystalline diamond material with extremely fine microstructures
ZA200801503B (en) Fine grained polycrystalline abrasive material
GB2442135B (en) Polycrystalline diamond composites
GB2433525B (en) Polycrystalline ultra-hard material with microstructure substantially free of catalyst material eruptions
ZA200901042B (en) Polycrystalline diamond abrasive compacts
EP1850832A4 (en) Adjuvanting material
TWI367932B (en) Fluorescence material and manufacture thereof
EP2108630A4 (en) Diamond sinter
EP1783189A4 (en) Material for luminescent element and luminescent element
GB2426740B (en) Sheet-like formed material
EP1944347A4 (en) Abrasive material and process for producing the same
EP2006269A4 (en) Porous silicon carbide and process for producing the same
EP2123616A4 (en) Graphite material and method for manufacturing the same
EP2107045A4 (en) Diamond sinter and process for producing the same
ZA200802380B (en) Sintered polycrystalline diamond material with extremely fine microstructures
ZA200803498B (en) Photoluminescent material
GB0525567D0 (en) Novel materials and methods for the production thereof
EP2113496A4 (en) Diamond sinter
EP1813419A4 (en) Electroinsulating material
SG118294A1 (en) Gradient low K material
GB0428136D0 (en) Novel materials and methods for the production thereof
HK1085965A1 (en) Knife Sharpener
GB0428134D0 (en) Novel materials and methods for the production thereof
EP1778163A4 (en) Chemically bonded ceramic material
EP1901262A4 (en) Phosphorescent material, process for producing the same, and phosphorescent display element

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20080315

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20121129

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 26/00 20060101ALI20121123BHEP

Ipc: C04B 35/52 20060101AFI20121123BHEP

Ipc: B22F 7/06 20060101ALI20121123BHEP

Ipc: B01J 3/06 20060101ALI20121123BHEP

17Q First examination report despatched

Effective date: 20131115

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20160702