BE516598A - - Google Patents
Info
- Publication number
- BE516598A BE516598A BE516598DA BE516598A BE 516598 A BE516598 A BE 516598A BE 516598D A BE516598D A BE 516598DA BE 516598 A BE516598 A BE 516598A
- Authority
- BE
- Belgium
- Prior art keywords
- crystals
- strontium
- barium
- lead
- fine
- Prior art date
Links
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
- G11B5/70678—Ferrites
Landscapes
- Manufacturing Of Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE516598A true BE516598A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=153739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE516598D BE516598A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE516598A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2960470A (en) * | 1954-12-21 | 1960-11-15 | Philips Corp | Method of manufacturing permanent magnets |
| EP0078539A3 (en) * | 1981-11-02 | 1985-09-11 | Fuji Photo Film Co., Ltd. | Method for preparing a magnetic recording medium |
-
0
- BE BE516598D patent/BE516598A/fr unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2960470A (en) * | 1954-12-21 | 1960-11-15 | Philips Corp | Method of manufacturing permanent magnets |
| EP0078539A3 (en) * | 1981-11-02 | 1985-09-11 | Fuji Photo Film Co., Ltd. | Method for preparing a magnetic recording medium |
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