JPS57198537A - Magnetic recording medium and its manufacture - Google Patents
Magnetic recording medium and its manufactureInfo
- Publication number
- JPS57198537A JPS57198537A JP56081877A JP8187781A JPS57198537A JP S57198537 A JPS57198537 A JP S57198537A JP 56081877 A JP56081877 A JP 56081877A JP 8187781 A JP8187781 A JP 8187781A JP S57198537 A JPS57198537 A JP S57198537A
- Authority
- JP
- Japan
- Prior art keywords
- hexagonal
- grain size
- ferromagnetic powder
- mean grain
- recording medium
- 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
- 230000005291 magnetic effect Effects 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title 1
- 230000005294 ferromagnetic effect Effects 0.000 abstract 3
- 239000000843 powder Substances 0.000 abstract 3
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 229910000859 α-Fe Inorganic materials 0.000 abstract 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
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56081877A JPS57198537A (en) | 1981-05-30 | 1981-05-30 | Magnetic recording medium and its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56081877A JPS57198537A (en) | 1981-05-30 | 1981-05-30 | Magnetic recording medium and its manufacture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57198537A true JPS57198537A (en) | 1982-12-06 |
| JPH03703B2 JPH03703B2 (enrdf_load_stackoverflow) | 1991-01-08 |
Family
ID=13758678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56081877A Granted JPS57198537A (en) | 1981-05-30 | 1981-05-30 | Magnetic recording medium and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57198537A (enrdf_load_stackoverflow) |
-
1981
- 1981-05-30 JP JP56081877A patent/JPS57198537A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03703B2 (enrdf_load_stackoverflow) | 1991-01-08 |
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