FR2395948A1 - Procede de fabrication de comprimes de nitrure de bore cubique a partir de nitrure de bore hexagonal - Google Patents

Procede de fabrication de comprimes de nitrure de bore cubique a partir de nitrure de bore hexagonal

Info

Publication number
FR2395948A1
FR2395948A1 FR7819597A FR7819597A FR2395948A1 FR 2395948 A1 FR2395948 A1 FR 2395948A1 FR 7819597 A FR7819597 A FR 7819597A FR 7819597 A FR7819597 A FR 7819597A FR 2395948 A1 FR2395948 A1 FR 2395948A1
Authority
FR
France
Prior art keywords
boron nitride
cell
tablets
pressure
hexagonal boron
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
FR7819597A
Other languages
English (en)
French (fr)
Other versions
FR2395948B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Francis Raymond Corrigan
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
Priority claimed from US05/812,283 external-priority patent/US4188194A/en
Application filed by General Electric Co filed Critical General Electric Co
Publication of FR2395948A1 publication Critical patent/FR2395948A1/fr
Application granted granted Critical
Publication of FR2395948B1 publication Critical patent/FR2395948B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/12—Mountings, e.g. non-detachable insulating substrates
    • H01L23/14—Mountings, e.g. non-detachable insulating substrates characterised by the material or its electrical properties
    • H01L23/15—Ceramic or glass substrates
    • 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
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped 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
    • C04B35/58—Shaped 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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/583—Shaped 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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on boron nitride
    • C04B35/5831—Shaped 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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on boron nitride based on cubic boron nitrides or Wurtzitic boron nitrides, including crystal structure transformation of powder
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • 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
    • B01J2203/0645—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
    • B01J2203/065—Composition of the material produced
    • B01J2203/066—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
    • B01J2203/0675—Structural or physico-chemical features of the materials processed
    • B01J2203/068—Crystal growth
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/095—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00 with a principal constituent of the material being a combination of two or more materials provided in the groups H01L2924/013 - H01L2924/0715
    • H01L2924/097—Glass-ceramics, e.g. devitrified glass
    • H01L2924/09701—Low temperature co-fired ceramic [LTCC]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Ceramic Products (AREA)
  • Compositions Of Oxide Ceramics (AREA)
FR7819597A 1977-07-01 1978-06-30 Procede de fabrication de comprimes de nitrure de bore cubique a partir de nitrure de bore hexagonal Granted FR2395948A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/812,283 US4188194A (en) 1976-10-29 1977-07-01 Direct conversion process for making cubic boron nitride from pyrolytic boron nitride

Publications (2)

Publication Number Publication Date
FR2395948A1 true FR2395948A1 (fr) 1979-01-26
FR2395948B1 FR2395948B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-03-23

Family

ID=25209106

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7819597A Granted FR2395948A1 (fr) 1977-07-01 1978-06-30 Procede de fabrication de comprimes de nitrure de bore cubique a partir de nitrure de bore hexagonal

Country Status (20)

Country Link
JP (1) JPS5433510A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) AT395144B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU524584B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE868653A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR7804310A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH644091A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2828742A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK298578A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES471333A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2395948A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2002333B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IE (1) IE47548B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IL (1) IL54939A0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN150013B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1096850B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
MX (1) MX149093A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL186506C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NO (1) NO153603C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE447241B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA783449B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2458510A1 (fr) * 1979-06-11 1981-01-02 Gen Electric Procede et appareil de fabrication de nitrure de bore cubique a partir de nitrure de bore hexagonal et produits obtenus
EP0194358A1 (en) * 1985-01-11 1986-09-17 Sumitomo Electric Industries, Ltd. Heat sink using a sintered body having high heat-conductivity and method of manufacturing thereof
EP0221531A3 (en) * 1985-11-06 1992-02-19 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha High heat conductive insulated substrate and method of manufacturing the same
EP0402677A3 (en) * 1989-06-14 1992-10-28 General Electric Company Process for making cubic boron nitride from coated hexagonal boron nitride
RU2122987C1 (ru) * 1992-02-12 1998-12-10 Фирма Зигфрид Гельц Способ получения аморфного материала на основе нитрида бора

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3125484A1 (de) * 1981-06-29 1983-03-17 Belorusskij politechničeskij institut, Minsk Verfahren zur herstellung von polykristallen eines aus dichten modifikationen bestehenden bornitrides
DE3229846C2 (de) * 1982-08-11 1984-05-24 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Längen- oder Winkelmeßeinrichtung
JPS62108714A (ja) * 1985-11-07 1987-05-20 Denki Kagaku Kogyo Kk 立方晶窒化ほう素の製造方法
JPS62108713A (ja) * 1985-11-07 1987-05-20 Denki Kagaku Kogyo Kk 立方晶窒化ほう素の製造方法
JPS62108716A (ja) * 1985-11-07 1987-05-20 Denki Kagaku Kogyo Kk 立方晶窒化ほう素の製造方法
JPS62108711A (ja) * 1985-11-07 1987-05-20 Denki Kagaku Kogyo Kk 立方晶窒化ほう素の製造方法
JPS62108717A (ja) * 1985-11-07 1987-05-20 Denki Kagaku Kogyo Kk 立方晶窒化ほう素の製造方法
JPS62108715A (ja) * 1985-11-07 1987-05-20 Denki Kagaku Kogyo Kk 立方晶窒化ほう素の製造方法
DE3774744D1 (de) * 1986-04-09 1992-01-09 Sumitomo Electric Industries Verfahren zur herstellung von kompakten sinterkoerpern aus kubischem bornitrid.
JPH0339795U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-04-19 1991-04-17
JPH07104739A (ja) * 1993-10-01 1995-04-21 Maruyasu Kanagata:Kk 大正琴
JPH10158065A (ja) * 1996-11-28 1998-06-16 Sumitomo Electric Ind Ltd 立方晶窒化ホウ素焼結体およびその製造方法
US20090169781A1 (en) * 2007-12-31 2009-07-02 Marc Schaepkens Low thermal conductivity low density pyrolytic boron nitride material, method of making, and articles made therefrom
WO2009082816A1 (en) * 2007-12-31 2009-07-09 Rafael Nathan Kleiman High efficiency silicon-based solar cells
US9416304B2 (en) 2011-08-30 2016-08-16 Sumitomo Electric Industries, Ltd. Cubic boron nitride complex polycrystal and manufacturing method therefor, and cutting tool, wire-drawing die and grinding tool
JP6159064B2 (ja) * 2012-08-08 2017-07-05 住友電気工業株式会社 立方晶窒化ホウ素複合多結晶体及び切削工具、線引きダイス、ならびに研削工具
JP5929655B2 (ja) * 2012-09-11 2016-06-08 住友電気工業株式会社 立方晶窒化ホウ素複合多結晶体およびその製造方法、切削工具、ならびに耐摩工具
JP6291995B2 (ja) 2014-04-18 2018-03-14 住友電気工業株式会社 立方晶窒化ホウ素多結晶体、切削工具、耐摩工具、研削工具、および立方晶窒化ホウ素多結晶体の製造方法
JP6447197B2 (ja) 2015-02-04 2019-01-09 住友電気工業株式会社 立方晶窒化ホウ素多結晶体、切削工具、耐摩工具、研削工具、および立方晶窒化ホウ素多結晶体の製造方法
JP6447205B2 (ja) 2015-02-09 2019-01-09 住友電気工業株式会社 立方晶窒化ホウ素多結晶体、切削工具、耐摩工具、研削工具、および立方晶窒化ホウ素多結晶体の製造方法
US11066334B2 (en) 2016-06-29 2021-07-20 Schlumberger Technology Corporation Binderless cBN sintering with cubic press
CN108349821B (zh) 2016-10-06 2021-11-02 住友电气工业株式会社 制造氮化硼多晶体的方法、氮化硼多晶体、切削工具、耐磨工具以及研磨工具
JP6744014B2 (ja) * 2018-06-18 2020-08-19 住友電工ハードメタル株式会社 立方晶窒化硼素多結晶体及びその製造方法
KR102777977B1 (ko) * 2018-09-27 2025-03-06 스미또모 덴꼬오 하드메탈 가부시끼가이샤 입방정 질화붕소 다결정체 및 그 제조 방법
WO2020174922A1 (ja) * 2019-02-28 2020-09-03 住友電工ハードメタル株式会社 立方晶窒化硼素多結晶体及びその製造方法
WO2020175647A1 (ja) * 2019-02-28 2020-09-03 住友電工ハードメタル株式会社 立方晶窒化硼素多結晶体及びその製造方法
WO2020174923A1 (ja) 2019-02-28 2020-09-03 住友電工ハードメタル株式会社 立方晶窒化硼素多結晶体及びその製造方法
WO2023027122A1 (ja) * 2021-08-26 2023-03-02 デンカ株式会社 セラミックス板の製造方法、セラミックス板、複合シート、及び積層基板

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578403A (en) * 1968-07-05 1971-05-11 Union Carbide Corp Recrystallization of pyrolytic boron nitride
FR2129200A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-03-09 1972-10-27 Inst Fiz Tverdogo
FR2243150A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-09-06 1975-04-04 Gen Electric

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA724056B (en) * 1971-07-01 1973-03-28 Gen Electric Catalyst systems for synthesis of cubic boron nitride
JPS5238049B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-02-04 1977-09-27
JPS5647124B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-06-26 1981-11-07
JPS5760676B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-09-28 1982-12-21 Tokyo Shibaura Electric Co
JPS5061413A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-10-01 1975-05-27
JPS5750677Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-12-05 1982-11-05
JPS5116196A (ja) * 1974-07-29 1976-02-09 Hitachi Ltd Kokanyorotsukakuketsusokusochi

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578403A (en) * 1968-07-05 1971-05-11 Union Carbide Corp Recrystallization of pyrolytic boron nitride
FR2129200A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-03-09 1972-10-27 Inst Fiz Tverdogo
GB1317716A (en) * 1971-03-09 1973-05-23 Inst Fiz Tverdogo Tela I Polup Method of producing cubic boron nitride
FR2243150A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-09-06 1975-04-04 Gen Electric

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
CA1975 *
EXBK/72 *
EXBK/73 *
EXBK/75 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2458510A1 (fr) * 1979-06-11 1981-01-02 Gen Electric Procede et appareil de fabrication de nitrure de bore cubique a partir de nitrure de bore hexagonal et produits obtenus
EP0194358A1 (en) * 1985-01-11 1986-09-17 Sumitomo Electric Industries, Ltd. Heat sink using a sintered body having high heat-conductivity and method of manufacturing thereof
EP0221531A3 (en) * 1985-11-06 1992-02-19 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha High heat conductive insulated substrate and method of manufacturing the same
EP0402677A3 (en) * 1989-06-14 1992-10-28 General Electric Company Process for making cubic boron nitride from coated hexagonal boron nitride
RU2122987C1 (ru) * 1992-02-12 1998-12-10 Фирма Зигфрид Гельц Способ получения аморфного материала на основе нитрида бора

Also Published As

Publication number Publication date
NO153603C (no) 1986-04-23
GB2002333A (en) 1979-02-21
DE2828742A1 (de) 1979-03-01
IT1096850B (it) 1985-08-26
IT7825186A0 (it) 1978-06-30
ES471333A1 (es) 1979-10-01
FR2395948B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-03-23
BE868653A (fr) 1978-10-16
NL186506B (nl) 1990-07-16
MX149093A (es) 1983-08-24
GB2002333B (en) 1982-05-26
ATA477478A (de) 1992-02-15
IL54939A0 (en) 1978-08-31
JPS63394B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-01-06
AU524584B2 (en) 1982-09-23
AU3761978A (en) 1980-01-03
BR7804310A (pt) 1979-04-17
IN150013B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-06-26
NO153603B (no) 1986-01-13
NL7807196A (nl) 1979-01-03
ZA783449B (en) 1980-04-30
DE2828742C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-02-02
JPS5433510A (en) 1979-03-12
DK298578A (da) 1979-01-02
NL186506C (nl) 1990-12-17
IE47548B1 (en) 1984-04-18
AT395144B (de) 1992-09-25
IE781320L (en) 1979-01-01
NO782272L (no) 1979-01-03
CH644091A5 (de) 1984-07-13
SE447241B (sv) 1986-11-03

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