FR2294747B1 - - Google Patents
Info
- Publication number
- FR2294747B1 FR2294747B1 FR7539164A FR7539164A FR2294747B1 FR 2294747 B1 FR2294747 B1 FR 2294747B1 FR 7539164 A FR7539164 A FR 7539164A FR 7539164 A FR7539164 A FR 7539164A FR 2294747 B1 FR2294747 B1 FR 2294747B1
- Authority
- FR
- France
- 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
Links
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
- C30B15/36—Single-crystal growth by pulling from a melt, e.g. Czochralski method characterised by the seed, e.g. its crystallographic orientation
-
- 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 |
|---|---|---|---|
| US53509374A | 1974-12-20 | 1974-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2294747A1 FR2294747A1 (fr) | 1976-07-16 |
| FR2294747B1 true FR2294747B1 (no) | 1982-03-19 |
Family
ID=24132809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7539164A Granted FR2294747A1 (fr) | 1974-12-20 | 1975-12-19 | Procede de preparation d'alumine alpha monocristalline massive |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5612280B2 (no) |
| DE (1) | DE2555610C3 (no) |
| FR (1) | FR2294747A1 (no) |
| GB (1) | GB1530608A (no) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7067007B2 (en) * | 2002-08-24 | 2006-06-27 | Schott Glas | Process and device for growing single crystals |
| JP5888198B2 (ja) * | 2012-09-26 | 2016-03-16 | 住友金属鉱山株式会社 | サファイア単結晶の製造装置 |
-
1975
- 1975-12-10 DE DE2555610A patent/DE2555610C3/de not_active Expired
- 1975-12-18 GB GB51773/75A patent/GB1530608A/en not_active Expired
- 1975-12-19 FR FR7539164A patent/FR2294747A1/fr active Granted
- 1975-12-19 JP JP15074775A patent/JPS5612280B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2555610B2 (de) | 1979-04-05 |
| DE2555610C3 (de) | 1979-11-22 |
| JPS5187197A (no) | 1976-07-30 |
| GB1530608A (en) | 1978-11-01 |
| DE2555610A1 (de) | 1976-07-01 |
| JPS5612280B2 (no) | 1981-03-19 |
| FR2294747A1 (fr) | 1976-07-16 |