JPS55157214A - Manufacture of magnetic recording powder - Google Patents
Manufacture of magnetic recording powderInfo
- Publication number
- JPS55157214A JPS55157214A JP6399779A JP6399779A JPS55157214A JP S55157214 A JPS55157214 A JP S55157214A JP 6399779 A JP6399779 A JP 6399779A JP 6399779 A JP6399779 A JP 6399779A JP S55157214 A JPS55157214 A JP S55157214A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- reducing
- reducing gas
- gas
- iron
- 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.)
- Granted
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
- G11B5/70605—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 metals or alloys
- G11B5/70615—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 metals or alloys containing Fe metal or alloys
Landscapes
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
- Paints Or Removers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6399779A JPS55157214A (en) | 1979-05-25 | 1979-05-25 | Manufacture of magnetic recording powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6399779A JPS55157214A (en) | 1979-05-25 | 1979-05-25 | Manufacture of magnetic recording powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55157214A true JPS55157214A (en) | 1980-12-06 |
| JPH0159724B2 JPH0159724B2 (enExample) | 1989-12-19 |
Family
ID=13245406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6399779A Granted JPS55157214A (en) | 1979-05-25 | 1979-05-25 | Manufacture of magnetic recording powder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55157214A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5723010A (en) * | 1980-06-04 | 1982-02-06 | Basf Ag | Production of feromagnetic metal small piece comprising iron substantially in needle form |
| US5470374A (en) * | 1992-09-10 | 1995-11-28 | Kao Corporation | Method for production of magnetic metal particles and apparatus therefor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4854497A (enExample) * | 1971-11-10 | 1973-07-31 | ||
| JPS53103197A (en) * | 1977-02-18 | 1978-09-08 | Hitachi Maxell | Method of manufacturing magnetic material for magnetic recording medium |
-
1979
- 1979-05-25 JP JP6399779A patent/JPS55157214A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4854497A (enExample) * | 1971-11-10 | 1973-07-31 | ||
| JPS53103197A (en) * | 1977-02-18 | 1978-09-08 | Hitachi Maxell | Method of manufacturing magnetic material for magnetic recording medium |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5723010A (en) * | 1980-06-04 | 1982-02-06 | Basf Ag | Production of feromagnetic metal small piece comprising iron substantially in needle form |
| JPH0269938U (enExample) * | 1980-06-04 | 1990-05-28 | ||
| US5470374A (en) * | 1992-09-10 | 1995-11-28 | Kao Corporation | Method for production of magnetic metal particles and apparatus therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0159724B2 (enExample) | 1989-12-19 |
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