JPH0531281B2 - - Google Patents
Info
- Publication number
- JPH0531281B2 JPH0531281B2 JP58080763A JP8076383A JPH0531281B2 JP H0531281 B2 JPH0531281 B2 JP H0531281B2 JP 58080763 A JP58080763 A JP 58080763A JP 8076383 A JP8076383 A JP 8076383A JP H0531281 B2 JPH0531281 B2 JP H0531281B2
- Authority
- JP
- Japan
- Prior art keywords
- powder
- magnetic
- magnetic recording
- raw material
- saturation magnetization
- 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 - Lifetime
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
- Compounds Of Iron (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58080763A JPS59207605A (ja) | 1983-05-11 | 1983-05-11 | 磁気記録用粉末の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58080763A JPS59207605A (ja) | 1983-05-11 | 1983-05-11 | 磁気記録用粉末の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59207605A JPS59207605A (ja) | 1984-11-24 |
JPH0531281B2 true JPH0531281B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-05-12 |
Family
ID=13727457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58080763A Granted JPS59207605A (ja) | 1983-05-11 | 1983-05-11 | 磁気記録用粉末の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59207605A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56149328A (en) * | 1980-04-21 | 1981-11-19 | Toshiba Corp | Manufacture of magnetic oxide material |
JPS5842203A (ja) * | 1981-09-07 | 1983-03-11 | Toshiba Corp | 高密度磁気記録用磁性粉の製造方法 |
JPS5856302A (ja) * | 1981-09-30 | 1983-04-04 | Toshiba Corp | 高密度磁気記録用磁性粉の製造方法 |
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1983
- 1983-05-11 JP JP58080763A patent/JPS59207605A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59207605A (ja) | 1984-11-24 |