JP2015514667A - 酸化物セラミック単結晶製造のための坩堝 - Google Patents
酸化物セラミック単結晶製造のための坩堝 Download PDFInfo
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- JP2015514667A JP2015514667A JP2015506042A JP2015506042A JP2015514667A JP 2015514667 A JP2015514667 A JP 2015514667A JP 2015506042 A JP2015506042 A JP 2015506042A JP 2015506042 A JP2015506042 A JP 2015506042A JP 2015514667 A JP2015514667 A JP 2015514667A
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- Japan
- Prior art keywords
- crucible
- layer
- molybdenum
- single crystal
- refractory metal
- 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.)
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Classifications
-
- 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
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
- C30B11/002—Crucibles or containers for supporting the melt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
-
- 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
- C30B35/002—Crucibles or containers
-
- 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
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
- Y10T117/1024—Apparatus for crystallization from liquid or supercritical state
- Y10T117/1092—Shape defined by a solid member other than seed or product [e.g., Bridgman-Stockbarger]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
Claims (16)
- モリブデン製の又は95原子%を超えるモリブデン含有量を有するモリブデン合金製の坩堝であって、その内面に、タングステン及びモリブデンから成る群から選ばれた少なくとも一種の耐熱金属を含有し且つ細孔を有する層が、少なくとも部分的に、施されていることを特徴とする坩堝。
- 前記層が5容積%を超える細孔率を有することを特徴とする請求項1に記載の坩堝。
- 前記層がタングステンを含有することを特徴とする請求項1又は2に記載の坩堝。
- 酸化物セラミック単結晶を製造するための請求項1〜3の少なくとも1項に記載の坩堝。
- 前記層が5〜400μmの層厚を有することを特徴とする請求項1〜4の少なくとも1項に記載の坩堝。
- 前記層が60容積%未満の細孔率を有することを特徴とする請求項1〜5の少なくとも1項に記載の坩堝。
- 前記層が0.1〜5μmの粒径を有することを特徴とする請求項1〜6の少なくとも1項に記載の坩堝。
- 前記層が50質量%以上の耐熱金属を含有することを特徴とする請求項1〜7の少なくとも1項に記載の坩堝。
- 前記層が95質量%以上の耐熱金属を含有することを特徴とする請求項1〜8の少なくとも1項に記載の坩堝。
- 前記層が酸化アルミニウムを含有することを特徴とする請求項1〜9の少なくとも1項に記載の坩堝。
- 前記層が耐熱金属/酸化アルミニウムの複合材料から成ることを特徴とする請求項1〜10の少なくとも1項に記載の坩堝。
- 前記層がスラリー法又は溶射法により析出されることを特徴とする請求項1〜11の少なくとも1項に記載の坩堝の製造方法。
- タングステン、モリブデン及び酸化アルミニウムから成る群から選ばれた少なくとも一種の粉末、結合剤及び易揮発性液体を含有するスラリーの塗布により前記層が製造されることを特徴とする請求項12に記載の方法。
- 前記スラリー中の前記耐熱金属含有量が55〜85質量%であることを特徴とする請求項12又は13に記載の方法。
- 坩堝を、前記スラリーの塗布後に、1,200〜2,000℃の温度で焼きなましすることを特徴とする請求項12〜14の少なくとも1項に記載の方法。
- サファイア単結晶を製造するための方法であって、少なくとも以下の工程:
−モリブデン製の又は95原子%を超えるモリブデン含有量を有するモリブデン合金製の坩堝であって、その内面に、タングステン及びモリブデンから成る群から選ばれた少なくとも一種の耐熱金属を含有し且つ細孔を有する層が、少なくとも部分的に、施された坩堝を製造する工程;
−前記坩堝に酸化アルミニウムを導入し該酸化アルミニウムを溶融する工程;
−適切な冷却を行ない、サファイア単結晶を形成する工程;
−前記坩堝から前記サファイア単結晶を取り出す工程;及び
−少なくとも1つの別のサファイア単結晶の製造のために、坩堝を再使用する工程
を備えてなることを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261625296P | 2012-04-17 | 2012-04-17 | |
US61/625,296 | 2012-04-17 | ||
PCT/AT2013/000074 WO2013155540A1 (de) | 2012-04-17 | 2013-04-16 | Tiegel zur herstellung von oxidkeramischen einkristallen |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2015514667A true JP2015514667A (ja) | 2015-05-21 |
JP2015514667A5 JP2015514667A5 (ja) | 2016-03-24 |
JP6357146B2 JP6357146B2 (ja) | 2018-07-11 |
Family
ID=48576157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015506042A Expired - Fee Related JP6357146B2 (ja) | 2012-04-17 | 2013-04-16 | 酸化物セラミック単結晶製造のための坩堝 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20150128849A1 (ja) |
JP (1) | JP6357146B2 (ja) |
CN (1) | CN104487618B (ja) |
WO (1) | WO2013155540A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015099010A1 (ja) * | 2013-12-26 | 2015-07-02 | 株式会社アライドマテリアル | サファイア単結晶育成用坩堝、サファイア単結晶育成方法およびサファイア単結晶育成用坩堝の製造方法 |
US9992917B2 (en) | 2014-03-10 | 2018-06-05 | Vulcan GMS | 3-D printing method for producing tungsten-based shielding parts |
AT14854U1 (de) * | 2015-07-03 | 2016-07-15 | Plansee Se | Behälter aus Refraktärmetall |
CN111778557A (zh) * | 2020-06-19 | 2020-10-16 | 山东新升光电科技有限责任公司 | 一种制备蓝宝石单晶用坩埚 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1023113A (en) * | 1963-04-02 | 1966-03-16 | Thomson Houston Comp Francaise | Vitreous coatings for metals and ceramics |
US3407057A (en) * | 1965-10-23 | 1968-10-22 | American Metal Climax Inc | Molybdenum powder for use in spray coating |
US3938814A (en) * | 1974-09-23 | 1976-02-17 | Koppers Company, Inc. | Bearing member having a wear resistant coating on its bearing face |
JPH0625855A (ja) * | 1992-07-13 | 1994-02-01 | Tokyo Tungsten Co Ltd | ルツボ及びその製造方法 |
US20010033950A1 (en) * | 1996-03-29 | 2001-10-25 | Billings Garth W. | Refractory crucibles and molds for containing reactive molten metals and salts |
JP2010132544A (ja) * | 2008-12-04 | 2010-06-17 | Schott Ag | 高融点材料加工用坩堝、及び該坩堝中における高融点材料の加工方法 |
US20110253033A1 (en) * | 2008-10-24 | 2011-10-20 | Advanced Renewableenergy Co. Llc | Crystal growing system and method thereof |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1496660B1 (de) * | 1964-03-06 | 1970-02-12 | Sigri Elektrographit Gmbh | Hochwarmfester Formkoerper mit zunderfestem UEberzug und Verfahren zu seiner Herstellung |
US3377520A (en) * | 1965-07-02 | 1968-04-09 | Gen Electric | Low drift, high temperature solion cells |
US3620137A (en) * | 1969-10-06 | 1971-11-16 | Ramsey Corp | Piston sleeve |
US4212669A (en) * | 1978-08-03 | 1980-07-15 | Howmet Turbine Components Corporation | Method for the production of precision shapes |
US4806385A (en) * | 1987-03-24 | 1989-02-21 | Amax Inc. | Method of producing oxidation resistant coatings for molybdenum |
JPH01139988A (ja) * | 1987-11-26 | 1989-06-01 | Toshiba Corp | 金属溶解用るつぼ |
AT12783U1 (de) * | 2011-08-05 | 2012-11-15 | Plansee Se | Tiegel zur kristallzucht |
KR20140085448A (ko) * | 2011-09-09 | 2014-07-07 | 이노벤트 테크놀로지스 | 코팅된 도가니 및 코팅된 도가니를 제조하는 방법 |
-
2013
- 2013-04-16 JP JP2015506042A patent/JP6357146B2/ja not_active Expired - Fee Related
- 2013-04-16 CN CN201380020669.0A patent/CN104487618B/zh not_active Expired - Fee Related
- 2013-04-16 WO PCT/AT2013/000074 patent/WO2013155540A1/de active Application Filing
- 2013-04-16 US US14/395,147 patent/US20150128849A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1023113A (en) * | 1963-04-02 | 1966-03-16 | Thomson Houston Comp Francaise | Vitreous coatings for metals and ceramics |
US3407057A (en) * | 1965-10-23 | 1968-10-22 | American Metal Climax Inc | Molybdenum powder for use in spray coating |
US3938814A (en) * | 1974-09-23 | 1976-02-17 | Koppers Company, Inc. | Bearing member having a wear resistant coating on its bearing face |
JPH0625855A (ja) * | 1992-07-13 | 1994-02-01 | Tokyo Tungsten Co Ltd | ルツボ及びその製造方法 |
US20010033950A1 (en) * | 1996-03-29 | 2001-10-25 | Billings Garth W. | Refractory crucibles and molds for containing reactive molten metals and salts |
US20110253033A1 (en) * | 2008-10-24 | 2011-10-20 | Advanced Renewableenergy Co. Llc | Crystal growing system and method thereof |
JP2010132544A (ja) * | 2008-12-04 | 2010-06-17 | Schott Ag | 高融点材料加工用坩堝、及び該坩堝中における高融点材料の加工方法 |
Also Published As
Publication number | Publication date |
---|---|
US20150128849A1 (en) | 2015-05-14 |
CN104487618B (zh) | 2017-08-25 |
WO2013155540A1 (de) | 2013-10-24 |
CN104487618A (zh) | 2015-04-01 |
JP6357146B2 (ja) | 2018-07-11 |
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