FR2952931B1 - Alumine-alpha pour la production de saphir monocristallin - Google Patents

Alumine-alpha pour la production de saphir monocristallin

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Publication number
FR2952931B1
FR2952931B1 FR1059494A FR1059494A FR2952931B1 FR 2952931 B1 FR2952931 B1 FR 2952931B1 FR 1059494 A FR1059494 A FR 1059494A FR 1059494 A FR1059494 A FR 1059494A FR 2952931 B1 FR2952931 B1 FR 2952931B1
Authority
FR
France
Prior art keywords
alumina
alpha
production
monocrystalline sapphire
monocrystalline
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.)
Active
Application number
FR1059494A
Other languages
English (en)
Other versions
FR2952931A1 (fr
Inventor
Hirotaka Ozaki
Shinji Fujiwara
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of FR2952931A1 publication Critical patent/FR2952931A1/fr
Application granted granted Critical
Publication of FR2952931B1 publication Critical patent/FR2952931B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/021—After-treatment of oxides or hydroxides
    • C01F7/025—Granulation or agglomeration
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
    • 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
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/16—Oxides
    • C30B29/20—Aluminium oxides
    • 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
    • C30B35/00—Apparatus not otherwise provided for, specially adapted for the growth, production or after-treatment of single crystals or of a homogeneous polycrystalline material with defined structure
    • C30B35/007—Apparatus for preparing, pre-treating the source material to be used for crystal growth
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/10—Solid density
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/11—Powder tap density
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
FR1059494A 2009-11-20 2010-11-19 Alumine-alpha pour la production de saphir monocristallin Active FR2952931B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009264776 2009-11-20

Publications (2)

Publication Number Publication Date
FR2952931A1 FR2952931A1 (fr) 2011-05-27
FR2952931B1 true FR2952931B1 (fr) 2014-02-07

Family

ID=43992495

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1059494A Active FR2952931B1 (fr) 2009-11-20 2010-11-19 Alumine-alpha pour la production de saphir monocristallin

Country Status (7)

Country Link
US (1) US20110123805A1 (fr)
JP (1) JP5427754B2 (fr)
KR (1) KR101808572B1 (fr)
CN (1) CN102107896B (fr)
FR (1) FR2952931B1 (fr)
RU (1) RU2552473C2 (fr)
TW (1) TWI495616B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2554196C2 (ru) * 2010-03-09 2015-06-27 Сумитомо Кемикал Компани, Лимитед α-ОКСИД АЛЮМИНИЯ ДЛЯ ПОЛУЧЕНИЯ МОНОКРИСТАЛЛА САПФИРА И СПОСОБ ЕГО ПОЛУЧЕНИЯ
CN102432268B (zh) * 2011-09-04 2012-12-05 湖北菲利华石英玻璃股份有限公司 一种采用焰熔法将氧化铝粉末烧结成生产蓝宝石晶体用氧化铝块料的方法
CN102674418A (zh) * 2012-05-24 2012-09-19 大连海蓝光电材料有限公司 一种高纯氧化铝颗粒的制备方法
JP2016037421A (ja) * 2014-08-08 2016-03-22 住友化学株式会社 αアルミナ成形体およびその製造方法
EP3599221A1 (fr) 2018-07-27 2020-01-29 SASOL Germany GmbH Alumine alpha à pureté élevée et haute densité relative, son procédé de production et d'utilisation
JP6816094B2 (ja) * 2018-12-26 2021-01-20 住友化学株式会社 αアルミナ、スラリー、多孔膜、積層セパレータ、並びに非水電解液二次電池及びその製造方法
EP3882226A1 (fr) * 2020-03-19 2021-09-22 Sigmund Lindner GmbH Corps d'oxyde d'aluminium sphérique
CN111470522B (zh) * 2020-03-31 2021-12-07 洛阳中超新材料股份有限公司 球形氧化铝及其制备方法与应用
RU2742575C1 (ru) * 2020-10-14 2021-02-08 Общество с ограниченной ответственностью "Империус Групп" Способ получения альфа-оксида алюминия для последующего выращивания монокристаллического сапфира

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2136596C1 (ru) 1993-11-25 1999-09-10 Сумитомо Кемикал Компани, Лимитед СПОСОБ ПОЛУЧЕНИЯ ПОРОШКА α--ОКСИДА АЛЮМИНИЯ И ПОРОШОК α--ОКСИДА АЛЮМИНИЯ
TW579372B (en) * 1998-07-29 2004-03-11 Sumitomo Chemical Co Process for producing alumina sintered body
JP4556284B2 (ja) * 2000-04-25 2010-10-06 住友化学株式会社 α−アルミナ粒子およびその製造方法
US6261484B1 (en) * 2000-08-11 2001-07-17 The Regents Of The University Of California Method for producing ceramic particles and agglomerates
TWI254699B (en) * 2002-01-16 2006-05-11 Sumitomo Chemical Co Calcined alumina, its production method and fine alpha\-alumina powder obtained by using the calcined alumina
JP2005179109A (ja) * 2003-12-18 2005-07-07 Kyocera Corp 球状アルミナ、単結晶サファイア、ＧａＮ系半導体用基板、ＧａＮ系半導体装置、液晶プロジェクタ用透明板および液晶プロジェクタ装置
TW200540116A (en) * 2004-03-16 2005-12-16 Sumitomo Chemical Co Method for producing an α-alumina powder
SI1910246T1 (sl) * 2005-08-02 2012-03-30 Radion Mogilevsky Postopek izdelave gostih blokov
SE529051C2 (sv) * 2005-09-27 2007-04-17 Seco Tools Ab Skärverktygsskär belagt med aluminiumoxid
JP5217322B2 (ja) * 2006-09-19 2013-06-19 住友化学株式会社 αアルミナ粉末
EP2070873B1 (fr) * 2006-09-19 2015-05-20 Sumitomo Chemical Company, Limited Poudre d'alumine alpha
UA34362U (ru) * 2008-03-03 2008-08-11 Восточноукраинский Национальный Университет Имени Владимира Даля Радиатор системы охлаждения двигателя внутреннего сгорания

Also Published As

Publication number Publication date
TWI495616B (zh) 2015-08-11
TW201134766A (en) 2011-10-16
CN102107896B (zh) 2015-06-10
JP5427754B2 (ja) 2014-02-26
RU2552473C2 (ru) 2015-06-10
KR20110056235A (ko) 2011-05-26
JP2011126773A (ja) 2011-06-30
CN102107896A (zh) 2011-06-29
RU2010147424A (ru) 2012-05-27
KR101808572B1 (ko) 2017-12-13
FR2952931A1 (fr) 2011-05-27
US20110123805A1 (en) 2011-05-26

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