JPH0341964B2 - - Google Patents
Info
- Publication number
- JPH0341964B2 JPH0341964B2 JP57051399A JP5139982A JPH0341964B2 JP H0341964 B2 JPH0341964 B2 JP H0341964B2 JP 57051399 A JP57051399 A JP 57051399A JP 5139982 A JP5139982 A JP 5139982A JP H0341964 B2 JPH0341964 B2 JP H0341964B2
- Authority
- JP
- Japan
- Prior art keywords
- mol
- magnetic recording
- ferrite
- magnetic powder
- component
- 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
- Hard Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57051399A JPS58169902A (ja) | 1982-03-31 | 1982-03-31 | 磁気記録用磁性粉の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57051399A JPS58169902A (ja) | 1982-03-31 | 1982-03-31 | 磁気記録用磁性粉の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58169902A JPS58169902A (ja) | 1983-10-06 |
JPH0341964B2 true JPH0341964B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-06-25 |
Family
ID=12885860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57051399A Granted JPS58169902A (ja) | 1982-03-31 | 1982-03-31 | 磁気記録用磁性粉の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58169902A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4644535B2 (ja) | 2004-06-21 | 2011-03-02 | 富士フイルム株式会社 | 六方晶フェライト磁性粉末の製造方法および磁気記録媒体の製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56125219A (en) * | 1980-03-07 | 1981-10-01 | Toshiba Corp | Manufacture of fine-particle and hexagonol ferrite |
JPS56155022A (en) * | 1980-04-24 | 1981-12-01 | Toshiba Corp | Preparation of magnetic powder |
JPS6015577B2 (ja) * | 1980-05-27 | 1985-04-20 | 株式会社東芝 | 磁気記録用磁性粉の製造方法 |
-
1982
- 1982-03-31 JP JP57051399A patent/JPS58169902A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58169902A (ja) | 1983-10-06 |