FR2319580B3 - - Google Patents
Info
- Publication number
- FR2319580B3 FR2319580B3 FR7620704A FR7620704A FR2319580B3 FR 2319580 B3 FR2319580 B3 FR 2319580B3 FR 7620704 A FR7620704 A FR 7620704A FR 7620704 A FR7620704 A FR 7620704A FR 2319580 B3 FR2319580 B3 FR 2319580B3
- 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
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
-
- 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
- C30B9/00—Single-crystal growth from melt solutions using molten solvents
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/10—Solid density
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50091042A JPS5215498A (en) | 1975-07-28 | 1975-07-28 | Process for production of granular corrundum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2319580A1 FR2319580A1 (en) | 1977-02-25 |
| FR2319580B3 true FR2319580B3 (en) | 1981-12-18 |
Family
ID=14015436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7620704A Granted FR2319580A1 (en) | 1975-07-28 | 1976-07-07 | PREPARATION OF CORUNDUM PARTICLES |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5215498A (en) |
| DE (1) | DE2633045C3 (en) |
| FR (1) | FR2319580A1 (en) |
| GB (1) | GB1552943A (en) |
| NL (1) | NL7608344A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59194185U (en) * | 1983-05-31 | 1984-12-24 | ソニー株式会社 | tape cassette |
| JPS6093690A (en) * | 1983-10-26 | 1985-05-25 | Matsushita Electric Ind Co Ltd | Tape cassette |
| JPS62248184A (en) * | 1987-03-26 | 1987-10-29 | Sony Corp | Tape cassette |
| FR2652075B1 (en) * | 1989-09-21 | 1991-12-06 | Atochem | ALPHA ALUMINA MACROCRYSTALS IN THE FORM OF PLATES AND PROCESS FOR OBTAINING SAME. |
| JPH0791468B2 (en) * | 1991-04-26 | 1995-10-04 | 信越化学工業株式会社 | Thermally conductive silicone rubber composition |
| CZ283469B6 (en) * | 1992-06-02 | 1998-04-15 | Sumitomo Chemical Company, Limited | Aluminium {alpha}-oxide |
| JP2002348115A (en) * | 2001-05-30 | 2002-12-04 | Showa Denko Kk | Alumina particle and method for producing the same |
| JP4920141B2 (en) * | 2001-05-30 | 2012-04-18 | 昭和電工株式会社 | Alumina particles and method for producing the same |
-
1975
- 1975-07-28 JP JP50091042A patent/JPS5215498A/en active Granted
-
1976
- 1976-07-07 FR FR7620704A patent/FR2319580A1/en active Granted
- 1976-07-22 DE DE2633045A patent/DE2633045C3/en not_active Expired
- 1976-07-27 NL NL7608344A patent/NL7608344A/en not_active Application Discontinuation
- 1976-07-28 GB GB31508/76A patent/GB1552943A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2633045B2 (en) | 1980-12-18 |
| DE2633045C3 (en) | 1982-04-08 |
| FR2319580A1 (en) | 1977-02-25 |
| DE2633045A1 (en) | 1977-02-17 |
| JPS5722886B2 (en) | 1982-05-15 |
| NL7608344A (en) | 1977-02-01 |
| JPS5215498A (en) | 1977-02-05 |
| GB1552943A (en) | 1979-09-19 |