FR2340130A2 - Procede de preparation de monocristaux d'alumine alpha - Google Patents
Procede de preparation de monocristaux d'alumine alphaInfo
- Publication number
- FR2340130A2 FR2340130A2 FR7703494A FR7703494A FR2340130A2 FR 2340130 A2 FR2340130 A2 FR 2340130A2 FR 7703494 A FR7703494 A FR 7703494A FR 7703494 A FR7703494 A FR 7703494A FR 2340130 A2 FR2340130 A2 FR 2340130A2
- Authority
- FR
- France
- Prior art keywords
- oxide
- rod
- alpha
- melt
- single crystal
- 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.)
- Granted
Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title abstract 8
- 239000013078 crystal Substances 0.000 title abstract 7
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 title 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 title 1
- 239000000395 magnesium oxide Substances 0.000 title 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 title 1
- 239000000155 melt Substances 0.000 abstract 5
- 229910052593 corundum Inorganic materials 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 229910021645 metal ion Inorganic materials 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 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
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
-
- 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)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US65673676A | 1976-02-09 | 1976-02-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2340130A2 true FR2340130A2 (fr) | 1977-09-02 |
| FR2340130B2 FR2340130B2 (enrdf_load_html_response) | 1983-07-08 |
Family
ID=24634338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7703494A Granted FR2340130A2 (fr) | 1976-02-09 | 1977-02-08 | Procede de preparation de monocristaux d'alumine alpha |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS52107298A (enrdf_load_html_response) |
| DE (1) | DE2702145C3 (enrdf_load_html_response) |
| FR (1) | FR2340130A2 (enrdf_load_html_response) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012012242A (ja) * | 2010-06-30 | 2012-01-19 | Showa Denko Kk | サファイア単結晶の製造方法、サファイア基板および半導体発光素子 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2276094A1 (fr) * | 1974-06-28 | 1976-01-23 | Union Carbide Corp | Procede de preparation de monocristaux d'alumine alpha |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2430910C3 (de) * | 1974-06-27 | 1981-01-08 | Varta Batterie Ag, 3000 Hannover | Verfahren zur Herstellung von Silber-(H)-oxid für galvanische Elemente |
-
1977
- 1977-01-20 DE DE2702145A patent/DE2702145C3/de not_active Expired
- 1977-02-08 JP JP1220177A patent/JPS52107298A/ja active Pending
- 1977-02-08 FR FR7703494A patent/FR2340130A2/fr active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2276094A1 (fr) * | 1974-06-28 | 1976-01-23 | Union Carbide Corp | Procede de preparation de monocristaux d'alumine alpha |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2702145A1 (de) | 1977-09-01 |
| DE2702145B2 (de) | 1980-10-16 |
| DE2702145C3 (de) | 1981-06-04 |
| JPS52107298A (en) | 1977-09-08 |
| FR2340130B2 (enrdf_load_html_response) | 1983-07-08 |
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