FR2276094B1 - - Google Patents
Info
- Publication number
- FR2276094B1 FR2276094B1 FR7520320A FR7520320A FR2276094B1 FR 2276094 B1 FR2276094 B1 FR 2276094B1 FR 7520320 A FR7520320 A FR 7520320A FR 7520320 A FR7520320 A FR 7520320A FR 2276094 B1 FR2276094 B1 FR 2276094B1
- 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
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US48425774A | 1974-06-28 | 1974-06-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2276094A1 FR2276094A1 (en) | 1976-01-23 |
FR2276094B1 true FR2276094B1 (en) | 1978-09-22 |
Family
ID=23923402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7520320A Granted FR2276094A1 (en) | 1974-06-28 | 1975-06-27 | PROCESS FOR THE PREPARATION OF ALPHA ALUMINA SINGLE CRYSTALS |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5118999A (en) |
DE (1) | DE2528585C3 (en) |
FR (1) | FR2276094A1 (en) |
GB (1) | GB1515543A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2702145C3 (en) * | 1976-02-09 | 1981-06-04 | Union Carbide Corp., 10017 New York, N.Y. | Process for the production of a doped α-alumina single crystal oriented in the r-plane and having a circular cross-section |
JP2006151745A (en) * | 2004-11-29 | 2006-06-15 | Kyocera Corp | Method for producing single crystal and oxide single crystal obtained by using the same |
JP4735334B2 (en) * | 2006-03-02 | 2011-07-27 | 住友金属鉱山株式会社 | Method for producing aluminum oxide single crystal |
JP5888198B2 (en) * | 2012-09-26 | 2016-03-16 | 住友金属鉱山株式会社 | Sapphire single crystal manufacturing equipment |
FR3095972B1 (en) | 2019-05-13 | 2023-07-07 | Safran Aircraft Engines | Mold for manufacturing a part by metal casting and epitaxial growth and associated manufacturing process |
-
1975
- 1975-06-26 DE DE2528585A patent/DE2528585C3/en not_active Expired
- 1975-06-27 FR FR7520320A patent/FR2276094A1/en active Granted
- 1975-06-27 GB GB27222/75A patent/GB1515543A/en not_active Expired
- 1975-06-27 JP JP50079470A patent/JPS5118999A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
GB1515543A (en) | 1978-06-28 |
JPS5118999A (en) | 1976-02-14 |
DE2528585C3 (en) | 1979-10-11 |
DE2528585A1 (en) | 1976-01-08 |
JPS554690B2 (en) | 1980-01-31 |
DE2528585B2 (en) | 1979-02-22 |
FR2276094A1 (en) | 1976-01-23 |