FR1363027A - Procédé de préparation d'oxyde ferrique gamma ferromagnétique - Google Patents
Procédé de préparation d'oxyde ferrique gamma ferromagnétiqueInfo
- Publication number
- FR1363027A FR1363027A FR941525A FR941525A FR1363027A FR 1363027 A FR1363027 A FR 1363027A FR 941525 A FR941525 A FR 941525A FR 941525 A FR941525 A FR 941525A FR 1363027 A FR1363027 A FR 1363027A
- Authority
- FR
- France
- Prior art keywords
- preparation
- ferric oxide
- gamma ferric
- ferromagnetic
- ferromagnetic gamma
- 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.)
- Expired
Links
- 230000005294 ferromagnetic effect Effects 0.000 title 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70652—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides gamma - Fe2 O3
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/06—Ferric oxide [Fe2O3]
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70647—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides with a skin
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/40—Particle morphology extending in three dimensions prism-like
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Dermatology (AREA)
- General Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR941525A FR1363027A (fr) | 1963-07-16 | 1963-07-16 | Procédé de préparation d'oxyde ferrique gamma ferromagnétique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR941525A FR1363027A (fr) | 1963-07-16 | 1963-07-16 | Procédé de préparation d'oxyde ferrique gamma ferromagnétique |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1363027A true FR1363027A (fr) | 1964-06-05 |
Family
ID=8808358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR941525A Expired FR1363027A (fr) | 1963-07-16 | 1963-07-16 | Procédé de préparation d'oxyde ferrique gamma ferromagnétique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1363027A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2517292A1 (fr) * | 1981-11-27 | 1983-06-03 | Ishihara Mining & Chemical Co | Procede de preparation de a-feooh aciculaire pour une matiere d'enregistrement magnetique |
EP0158240A2 (fr) * | 1984-04-12 | 1985-10-16 | BASF Aktiengesellschaft | Procédé de préparation d'oxydes de fer isotropes magnétiques contenant du cobalt |
-
1963
- 1963-07-16 FR FR941525A patent/FR1363027A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2517292A1 (fr) * | 1981-11-27 | 1983-06-03 | Ishihara Mining & Chemical Co | Procede de preparation de a-feooh aciculaire pour une matiere d'enregistrement magnetique |
EP0158240A2 (fr) * | 1984-04-12 | 1985-10-16 | BASF Aktiengesellschaft | Procédé de préparation d'oxydes de fer isotropes magnétiques contenant du cobalt |
EP0158240A3 (fr) * | 1984-04-12 | 1988-07-06 | BASF Aktiengesellschaft | Procédé de préparation d'oxydes de fer isotropes magnétiques contenant du cobalt |
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