AU6097590A – Silicon nitride vacuum furnace process
– Google Patents
AU6097590A – Silicon nitride vacuum furnace process
– Google Patents
Silicon nitride vacuum furnace process
Info
Publication number
AU6097590A
AU6097590A
AU60975/90A
AU6097590A
AU6097590A
AU 6097590 A
AU6097590 A
AU 6097590A
AU 60975/90 A
AU60975/90 A
AU 60975/90A
AU 6097590 A
AU6097590 A
AU 6097590A
AU 6097590 A
AU6097590 A
AU 6097590A
Authority
AU
Australia
Prior art keywords
silicon nitride
vacuum furnace
furnace process
nitride vacuum
less
Prior art date
1990-02-14
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
AU60975/90A
Other versions
AU622092B2
(en
Inventor
Normand P. Arsenault
Stephen D. Hartline
Craig A. Willkins
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.)
Saint Gobain Abrasives Inc
Original Assignee
Norton 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.)
1990-02-14
Filing date
1990-08-15
Publication date
1991-08-15
1990-08-15
Application filed by Norton Co
filed
Critical
Norton Co
1991-08-15
Publication of AU6097590A
publication
Critical
patent/AU6097590A/en
1992-03-26
Application granted
granted
Critical
1992-03-26
Publication of AU622092B2
publication
Critical
patent/AU622092B2/en
2010-08-15
Anticipated expiration
legal-status
Critical
Status
Ceased
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
C—CHEMISTRY; METALLURGY
C01—INORGANIC CHEMISTRY
C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B21/00—Nitrogen; Compounds thereof
C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
C01B21/068—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with silicon
C01B21/0682—Preparation by direct nitridation of silicon
Abstract
An improved process of preparing silicon nitride by the direct nitridation of silicon metal is disclosed. The process is a multi-step one which is substantially more efficient than prior processes and produces a silicon nitride having an oxygen content of less than 1%, a silicon metal content of less than 0.5%, and an alpha phase content of at least 85%, preferably at least 90%. The silicon nitride may be converted to a powder.
AU60975/90A
1990-02-14
1990-08-15
Silicon nitride vacuum furnace process
Ceased
AU622092B2
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
US479773
1990-02-14
US07/479,773
US4970057A
(en)
1989-04-28
1990-02-14
Silicon nitride vacuum furnace process
Publications (2)
Publication Number
Publication Date
AU6097590A
true
AU6097590A
(en)
1991-08-15
AU622092B2
AU622092B2
(en)
1992-03-26
Family
ID=23905366
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU60975/90A
Ceased
AU622092B2
(en)
1990-02-14
1990-08-15
Silicon nitride vacuum furnace process
Country Status (8)
Country
Link
US
(1)
US4970057A
(en)
EP
(1)
EP0442032B1
(en)
AT
(1)
ATE105266T1
(en)
AU
(1)
AU622092B2
(en)
CA
(1)
CA2024139A1
(en)
DD
(1)
DD297534A5
(en)
DE
(1)
DE69008706T2
(en)
NO
(1)
NO179899C
(en)
Families Citing this family (40)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US5160719A
(en)
*
1990-07-24
1992-11-03
Eaton Corporation
Process for nitriding silicon containing materials
JP2699770B2
(en)
*
1992-07-14
1998-01-19
信越化学工業株式会社
Highly-fillable silicon nitride powder and method for producing the same
US6007789A
(en)
*
1992-11-03
1999-12-28
Eaton Corporation
Method of nitriding silicon
JPH0733411A
(en)
*
1993-07-16
1995-02-03
Shin Etsu Chem Co Ltd
Production of silicon nitride powder having high alpha-silicon nitride content
JP4136380B2
(en)
*
2001-12-21
2008-08-20
日本碍子株式会社
High thermal conductivity Si-containing material and method for producing the same
US7763205B2
(en)
*
2004-10-22
2010-07-27
Ceradyne, Inc.
Continuous process for fabricating reaction bonded silicon nitride articles
CN103370174B
(en)
2010-12-31
2017-03-29
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The forming method of the abrasive grains with given shape and such particle
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Abrasive particles having complex shape and method for forming the same
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2012-03-30
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Abrasive products having fibrillated fibers
KR102197361B1
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Shaped abrasive particles and methods of forming same
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2012-06-29
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Saint-Gobain Ceramics & Plastics, Inc.
Abrasive particles having particular shapes and methods of forming such particles
BR112015008144B1
(en)
2012-10-15
2022-01-04
Saint-Gobain Abrasives, Inc.
ABRASIVE PARTICLES HAVING PARTICULAR FORMATS AND METHODS FOR FORMING SUCH PARTICLES
US9074119B2
(en)
2012-12-31
2015-07-07
Saint-Gobain Ceramics & Plastics, Inc.
Particulate materials and methods of forming same
MX2015013831A
(en)
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Saint Gobain Abrasives Inc
Abrasive particles having particular shapes and methods of forming such particles.
TW201502263A
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2015-01-16
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Abrasive article including shaped abrasive particles
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Abrasive article including shaped abrasive particles.
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Shaped abrasive particle fractions and method of forming same
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Fixed abrasive articles and methods of forming same
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ES2922927T3
(en)
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Abrasive Particle Formation Procedures
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(en)
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Saint-Gobain Abrasives, Inc.
Fixed abrasive articles and methods of forming same
US10563105B2
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Saint-Gobain Ceramics & Plastics, Inc.
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US10759024B2
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2020-09-01
Saint-Gobain Ceramics & Plastics, Inc.
Abrasive article including shaped abrasive particles
US10865148B2
(en)
2017-06-21
2020-12-15
Saint-Gobain Ceramics & Plastics, Inc.
Particulate materials and methods of forming same
WO2021188320A1
(en)
*
2020-03-19
2021-09-23
Airmar Technology Corporation
Processes for preparing porous ceramics for acoustic transducers
Family Cites Families (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB1414143A
(en)
*
1972-03-03
1975-11-19
Lucas Industries Ltd
Method of manufacturing silicon nitride powder
US4235857A
(en)
*
1979-07-02
1980-11-25
Ford Motor Company
Method of nitriding silicon
JPS61158804A
(en)
*
1984-12-28
1986-07-18
Onoda Cement Co Ltd
Production of silicon nitride
CA1282943C
(en)
*
1985-01-17
1991-04-16
George A. Rossetti, Jr.
Fiber-reinforced ceramic and process therefor
1990
1990-02-14
US
US07/479,773
patent/US4970057A/en
not_active
Expired – Fee Related
1990-08-15
AU
AU60975/90A
patent/AU622092B2/en
not_active
Ceased
1990-08-28
DE
DE69008706T
patent/DE69008706T2/en
not_active
Expired – Fee Related
1990-08-28
AT
AT9090116511T
patent/ATE105266T1/en
not_active
IP Right Cessation
1990-08-28
EP
EP90116511A
patent/EP0442032B1/en
not_active
Expired – Lifetime
1990-08-28
DD
DD90343678A
patent/DD297534A5/en
not_active
IP Right Cessation
1990-08-28
CA
CA002024139A
patent/CA2024139A1/en
not_active
Abandoned
1990-09-06
NO
NO903897A
patent/NO179899C/en
unknown
Also Published As
Publication number
Publication date
EP0442032A1
(en)
1991-08-21
CA2024139A1
(en)
1991-08-15
NO903897L
(en)
1991-08-15
NO903897D0
(en)
1990-09-06
US4970057A
(en)
1990-11-13
ATE105266T1
(en)
1994-05-15
NO179899C
(en)
1997-01-08
EP0442032B1
(en)
1994-05-04
NO179899B
(en)
1996-09-30
DE69008706D1
(en)
1994-06-09
AU622092B2
(en)
1992-03-26
DD297534A5
(en)
1992-01-09
DE69008706T2
(en)
1994-12-01
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