FR2615847B1 - Poudre d'oxyde de scandium en cristaux bipyramidaux a base hexagonale et procede pour la preparer - Google Patents

Poudre d'oxyde de scandium en cristaux bipyramidaux a base hexagonale et procede pour la preparer

Info

Publication number
FR2615847B1
FR2615847B1 FR888806926A FR8806926A FR2615847B1 FR 2615847 B1 FR2615847 B1 FR 2615847B1 FR 888806926 A FR888806926 A FR 888806926A FR 8806926 A FR8806926 A FR 8806926A FR 2615847 B1 FR2615847 B1 FR 2615847B1
Authority
FR
France
Prior art keywords
hexagonal
preparing
same
oxide powder
scandium oxide
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
FR888806926A
Other languages
English (en)
Other versions
FR2615847A1 (fr
Inventor
Etsuji Kimura
Toshio Nakanishi
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.)
Mitsubishi Electric Corp
Mitsubishi Metal Corp
Original Assignee
Mitsubishi Electric Corp
Mitsubishi Metal Corp
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 Mitsubishi Electric Corp, Mitsubishi Metal Corp filed Critical Mitsubishi Electric Corp
Publication of FR2615847A1 publication Critical patent/FR2615847A1/fr
Application granted granted Critical
Publication of FR2615847B1 publication Critical patent/FR2615847B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/14Solid thermionic cathodes characterised by the material
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00Compounds of rare earth metals
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00Compounds of rare earth metals
    • C01F17/20Compounds containing only rare earth metals as the metal element
    • C01F17/206Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/212Scandium oxides or hydroxides
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/14Solid thermionic cathodes characterised by the material
    • H01J1/144Solid thermionic cathodes characterised by the material with other metal oxides as an emissive material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/04Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/06Cathodes
    • H01J35/064Details of the emitter, e.g. material or structure
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/30Particle morphology extending in three dimensions
    • C01P2004/42(bi)pyramid-like

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Steroid Compounds (AREA)
FR888806926A 1987-05-26 1988-05-25 Poudre d'oxyde de scandium en cristaux bipyramidaux a base hexagonale et procede pour la preparer Expired - Fee Related FR2615847B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62127216A JPH0627004B2 (ja) 1987-05-26 1987-05-26 12面体の結晶形を有する酸化スカンジウムの製造方法

Publications (2)

Publication Number Publication Date
FR2615847A1 FR2615847A1 (fr) 1988-12-02
FR2615847B1 true FR2615847B1 (fr) 1990-06-01

Family

ID=14954603

Family Applications (1)

Application Number Title Priority Date Filing Date
FR888806926A Expired - Fee Related FR2615847B1 (fr) 1987-05-26 1988-05-25 Poudre d'oxyde de scandium en cristaux bipyramidaux a base hexagonale et procede pour la preparer

Country Status (10)

Country Link
US (1) US4980141A (fr)
JP (1) JPH0627004B2 (fr)
KR (1) KR940010938B1 (fr)
CN (1) CN1019097B (fr)
CA (1) CA1331688C (fr)
DE (1) DE3817742A1 (fr)
FR (1) FR2615847B1 (fr)
GB (1) GB2205090B (fr)
NO (1) NO171969C (fr)
RU (1) RU2065401C1 (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0832554B2 (ja) * 1989-06-16 1996-03-29 信越化学工業株式会社 希土類酸化物粉末の製造方法
JPH03271118A (ja) * 1990-03-20 1991-12-03 Mitsubishi Kasei Corp 球状希土類酸化物およびその製造法
FR2661674B1 (fr) * 1990-05-04 1994-04-08 Rhone Poulenc Chimie Procede de fabrication d'oxalates doubles de terres rares, et d'ammonium et leurs utilisations pour la fabrication d'oxydes de terres rares, oxalates doubles et oxydes obtenus.
FR2669027B1 (fr) * 1990-11-13 1992-12-31 Rhone Poulenc Chimie Procede de fabrication d'oxalates doubles de terres rares et d'ammonium et leurs utilisations pour la fabrication d'oxydes de terres rares et oxydes de terres rares obtenus.
FR2669028B1 (fr) * 1990-11-13 1992-12-31 Rhone Poulenc Chimie Procede de fabrication d'oxalates doubles de terres rares et d'ammonium et leurs utilisations pour la fabrication d'oxydes de terres rares.
JPH0710730B2 (ja) * 1990-11-22 1995-02-08 信越化学工業株式会社 希土類元素酸化物の製造方法
CA2436391C (fr) * 2002-08-07 2007-02-13 Shoei Chemical Inc. Methode de production de poudres d'oxyde fortement cristallise
US7556986B1 (en) 2004-04-21 2009-07-07 Amkor Technology, Inc. Tape supported memory card leadframe structure
US7220915B1 (en) 2005-02-17 2007-05-22 Amkor Technology, Inc. Memory card and its manufacturing method
US7112875B1 (en) 2005-02-17 2006-09-26 Amkor Technology, Inc. Secure digital memory card using land grid array structure
US7719845B1 (en) 2005-04-26 2010-05-18 Amkor Technology, Inc. Chamfered memory card module and method of making same
US7837120B1 (en) 2005-11-29 2010-11-23 Amkor Technology, Inc. Modular memory card and method of making same
US7359204B1 (en) 2006-02-15 2008-04-15 Amkor Technology, Inc. Multiple cover memory card
BRPI0811938A2 (pt) 2007-05-21 2014-11-25 Exploration Orbite Vspa Inc Processos para a extração de alumínio e de ferro a partir de minérios aluminosos
US7563320B2 (en) * 2007-12-18 2009-07-21 Joseph Kolis Hydrothermal method for preparing large single crystals of scandium, yttrium, and lanthanide sesquioxides
CN102030355A (zh) * 2010-10-27 2011-04-27 攀枝花市硕盛工贸有限公司 利用钛白粉厂的废酸提取三氧化二钪的工艺
TWI557183B (zh) 2015-12-16 2016-11-11 財團法人工業技術研究院 矽氧烷組成物、以及包含其之光電裝置
RU2588960C2 (ru) 2011-03-18 2016-07-10 Орбит Элюминэ Инк. Способы извлечения редкоземельных элементов из алюминийсодержащих материалов
AU2012250460B2 (en) 2011-05-04 2015-11-26 Orbite Aluminae Inc. Processes for recovering rare earth elements from various ores
CA2834356C (fr) 2011-06-03 2014-11-25 Orbite Aluminae Inc. Procedes d'obtention d'hematite
AU2012308068B2 (en) 2011-09-16 2015-02-05 Aem Technologies Inc. Processes for preparing alumina and various other products
WO2013104059A1 (fr) 2012-01-10 2013-07-18 Orbite Aluminae Inc. Procédés de traitement de boue rouge
US9704725B1 (en) 2012-03-06 2017-07-11 Amkor Technology, Inc. Semiconductor device with leadframe configured to facilitate reduced burr formation
EP2838848B1 (fr) 2012-03-29 2019-05-08 Orbite Technologies Inc. Procédés de traitement de cendres volantes
RU2597096C2 (ru) 2012-07-12 2016-09-10 Орбит Алюминэ Инк. Способы получения оксида титана и различных других продуктов
US9353425B2 (en) 2012-09-26 2016-05-31 Orbite Technologies Inc. Processes for preparing alumina and magnesium chloride by HCl leaching of various materials
EP2920114A4 (fr) 2012-11-14 2016-03-02 Orbite Aluminae Inc Procédé de purification d'ions aluminium
JP6004023B2 (ja) * 2015-02-02 2016-10-05 住友金属鉱山株式会社 スカンジウムの回収方法
AU2016200868B2 (en) 2015-02-10 2021-05-13 Scandium International Mining Corporation Systems and processes for recovering scandium values from laterite ores
AU2016218269B2 (en) 2015-02-11 2019-10-03 Scandium International Mining Corporation Scandium-containing master alloys and methods for making the same
US9670589B2 (en) 2015-03-30 2017-06-06 The United States Of America As Represented By The Secretary Of The Air Force Alkali uranium fluorophosphate-based crystals and methods of fabrication
CN104760986B (zh) * 2015-04-07 2017-01-04 杨秋良 一种高纯三氧化二钪的精制提纯方法
JP6816410B2 (ja) * 2016-08-30 2021-01-20 住友金属鉱山株式会社 スカンジウムの回収方法
WO2018195642A1 (fr) * 2017-04-26 2018-11-01 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natural Resources Canada Précipitation directe d'oxalate pour la récupération d'éléments de terres rares
US11827579B2 (en) 2019-03-28 2023-11-28 ExxonMobil Technology and Engineering Company Processes for converting benzene and/or toluene via methylation
JP7346962B2 (ja) * 2019-07-17 2023-09-20 住友金属鉱山株式会社 スカンジウムの回収方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3635658A (en) * 1969-04-02 1972-01-18 Sylvania Electric Prod Rare earth oxide process
CH625092A5 (fr) * 1977-12-07 1981-08-31 Oscar Maspoli

Also Published As

Publication number Publication date
GB2205090B (en) 1991-03-20
GB8812374D0 (en) 1988-06-29
FR2615847A1 (fr) 1988-12-02
KR880013823A (ko) 1988-12-22
NO171969B (no) 1993-02-15
NO882286D0 (no) 1988-05-25
NO171969C (no) 1993-05-26
DE3817742A1 (de) 1988-12-08
NO882286L (no) 1988-11-28
CN1019097B (zh) 1992-11-18
KR940010938B1 (ko) 1994-11-19
DE3817742C2 (fr) 1993-07-22
RU2065401C1 (ru) 1996-08-20
US4980141A (en) 1990-12-25
JPH0627004B2 (ja) 1994-04-13
GB2205090A (en) 1988-11-30
CN1038072A (zh) 1989-12-20
CA1331688C (fr) 1994-08-30
JPS63291813A (ja) 1988-11-29

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ST Notification of lapse

Effective date: 20060131