CN107502951A - 石墨悬浮式冷坩埚制取高纯氧化铝多晶体的工艺方法 - Google Patents
石墨悬浮式冷坩埚制取高纯氧化铝多晶体的工艺方法 Download PDFInfo
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- CN107502951A CN107502951A CN201710970654.0A CN201710970654A CN107502951A CN 107502951 A CN107502951 A CN 107502951A CN 201710970654 A CN201710970654 A CN 201710970654A CN 107502951 A CN107502951 A CN 107502951A
- Authority
- CN
- China
- Prior art keywords
- high purity
- cold crucible
- material powder
- graphite
- floated
- Prior art date
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 67
- 239000010439 graphite Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 21
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 title claims abstract description 16
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000000463 material Substances 0.000 claims abstract description 53
- 239000000843 powder Substances 0.000 claims abstract description 48
- 230000006698 induction Effects 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 238000002844 melting Methods 0.000 claims abstract description 9
- 230000008018 melting Effects 0.000 claims abstract description 9
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 7
- 230000003647 oxidation Effects 0.000 claims abstract description 7
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 230000007423 decrease Effects 0.000 claims abstract description 4
- 239000000155 melt Substances 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 235000014987 copper Nutrition 0.000 description 1
- 229910052571 earthenware Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
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
- C30B28/00—Production of homogeneous polycrystalline material with defined structure
- C30B28/04—Production of homogeneous polycrystalline material with defined structure from liquids
- C30B28/06—Production of homogeneous polycrystalline material with defined structure from liquids by normal freezing or freezing under temperature gradient
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- General Induction Heating (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
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CN201710970654.0A CN107502951B (zh) | 2017-10-18 | 2017-10-18 | 石墨悬浮式冷坩埚制取高纯氧化铝多晶体的工艺方法 |
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CN201710970654.0A CN107502951B (zh) | 2017-10-18 | 2017-10-18 | 石墨悬浮式冷坩埚制取高纯氧化铝多晶体的工艺方法 |
Publications (2)
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CN107502951A true CN107502951A (zh) | 2017-12-22 |
CN107502951B CN107502951B (zh) | 2020-01-31 |
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CN201710970654.0A Active CN107502951B (zh) | 2017-10-18 | 2017-10-18 | 石墨悬浮式冷坩埚制取高纯氧化铝多晶体的工艺方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110592671A (zh) * | 2019-10-15 | 2019-12-20 | 赵伟轩 | 一种镀膜级α-高纯氧化铝多晶颗粒的制备方法 |
CN112126985A (zh) * | 2020-07-10 | 2020-12-25 | 新疆三锐佰德新材料有限公司 | 物理提纯蓝宝石用高纯氧化铝材料的方法及装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102399085A (zh) * | 2011-10-27 | 2012-04-04 | 扬州高能新材料有限公司 | 高纯а-氧化铝的预熔化结晶方法 |
CN102997661A (zh) * | 2012-11-26 | 2013-03-27 | 睿为科技(天津)有限公司 | 用于冷坩埚制备高纯金属氧化物的启动熔化装置和方法 |
CN103011220A (zh) * | 2012-12-28 | 2013-04-03 | 四川鑫炬矿业资源开发股份有限公司 | 一种5n高纯氧化铝多晶料的生产方法 |
CN202928345U (zh) * | 2012-11-26 | 2013-05-08 | 睿为科技(天津)有限公司 | 用于冷坩埚制备高纯金属氧化物的启动熔化装置 |
CN103184518A (zh) * | 2011-12-27 | 2013-07-03 | 中国科学院上海硅酸盐研究所 | 一种蓝宝石原料的处理方法 |
CN104195630A (zh) * | 2014-09-23 | 2014-12-10 | 成都冠禹科技有限公司 | 一种高纯氧化铝多晶的生产方法 |
CN104790034A (zh) * | 2015-02-16 | 2015-07-22 | 青海圣诺光电科技有限公司 | 一种制备氧化铝多晶体的方法 |
CN104790035A (zh) * | 2015-05-05 | 2015-07-22 | 山东天岳先进材料科技有限公司 | 一种红色氧化铝宝石单晶的生长方法 |
-
2017
- 2017-10-18 CN CN201710970654.0A patent/CN107502951B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102399085A (zh) * | 2011-10-27 | 2012-04-04 | 扬州高能新材料有限公司 | 高纯а-氧化铝的预熔化结晶方法 |
CN103184518A (zh) * | 2011-12-27 | 2013-07-03 | 中国科学院上海硅酸盐研究所 | 一种蓝宝石原料的处理方法 |
CN102997661A (zh) * | 2012-11-26 | 2013-03-27 | 睿为科技(天津)有限公司 | 用于冷坩埚制备高纯金属氧化物的启动熔化装置和方法 |
CN202928345U (zh) * | 2012-11-26 | 2013-05-08 | 睿为科技(天津)有限公司 | 用于冷坩埚制备高纯金属氧化物的启动熔化装置 |
CN103011220A (zh) * | 2012-12-28 | 2013-04-03 | 四川鑫炬矿业资源开发股份有限公司 | 一种5n高纯氧化铝多晶料的生产方法 |
CN104195630A (zh) * | 2014-09-23 | 2014-12-10 | 成都冠禹科技有限公司 | 一种高纯氧化铝多晶的生产方法 |
CN104790034A (zh) * | 2015-02-16 | 2015-07-22 | 青海圣诺光电科技有限公司 | 一种制备氧化铝多晶体的方法 |
CN104790035A (zh) * | 2015-05-05 | 2015-07-22 | 山东天岳先进材料科技有限公司 | 一种红色氧化铝宝石单晶的生长方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110592671A (zh) * | 2019-10-15 | 2019-12-20 | 赵伟轩 | 一种镀膜级α-高纯氧化铝多晶颗粒的制备方法 |
CN112126985A (zh) * | 2020-07-10 | 2020-12-25 | 新疆三锐佰德新材料有限公司 | 物理提纯蓝宝石用高纯氧化铝材料的方法及装置 |
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CN107502951B (zh) | 2020-01-31 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: Preparation of high purity alumina polycrystal by graphite suspension cold crucible Effective date of registration: 20210511 Granted publication date: 20200131 Pledgee: Tianjin Zhongguancun Science and Technology Financing Guarantee Co.,Ltd. Pledgor: RUIWEI ELECTRONIC MATERIALS (TIANJIN) CO.,LTD. Registration number: Y2021120000017 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230517 Granted publication date: 20200131 Pledgee: Tianjin Zhongguancun Science and Technology Financing Guarantee Co.,Ltd. Pledgor: RUIWEI ELECTRONIC MATERIALS (TIANJIN) CO.,LTD. Registration number: Y2021120000017 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Process method for producing high-purity alumina polycrystals using graphite suspension cold crucible Effective date of registration: 20230531 Granted publication date: 20200131 Pledgee: Tianjin Zhongguancun Science and Technology Financing Guarantee Co.,Ltd. Pledgor: RUIWEI ELECTRONIC MATERIALS (TIANJIN) CO.,LTD. Registration number: Y2023120000030 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200131 Pledgee: Tianjin Zhongguancun Science and Technology Financing Guarantee Co.,Ltd. Pledgor: RUIWEI ELECTRONIC MATERIALS (TIANJIN) CO.,LTD. Registration number: Y2023120000030 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |