JPH0430724B2 - - Google Patents
Info
- Publication number
- JPH0430724B2 JPH0430724B2 JP59227073A JP22707384A JPH0430724B2 JP H0430724 B2 JPH0430724 B2 JP H0430724B2 JP 59227073 A JP59227073 A JP 59227073A JP 22707384 A JP22707384 A JP 22707384A JP H0430724 B2 JPH0430724 B2 JP H0430724B2
- Authority
- JP
- Japan
- Prior art keywords
- barium
- acicular
- barium ferrite
- ferrite
- magnetic recording
- 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
Landscapes
- Hard Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59227073A JPS61104602A (ja) | 1984-10-29 | 1984-10-29 | 垂直磁気記録媒体用針状バリウム・フエライトおよびその製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59227073A JPS61104602A (ja) | 1984-10-29 | 1984-10-29 | 垂直磁気記録媒体用針状バリウム・フエライトおよびその製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61104602A JPS61104602A (ja) | 1986-05-22 |
| JPH0430724B2 true JPH0430724B2 (cs) | 1992-05-22 |
Family
ID=16855099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59227073A Granted JPS61104602A (ja) | 1984-10-29 | 1984-10-29 | 垂直磁気記録媒体用針状バリウム・フエライトおよびその製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61104602A (cs) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5246609A (en) * | 1987-07-13 | 1993-09-21 | Ishihara Sangyo Kaisha, Ltd. | Process for preparing ferromagnetic fine particles for magnetic recording |
| JPH01133942A (ja) * | 1987-07-13 | 1989-05-26 | Ishihara Sangyo Kaisha Ltd | 磁気記録用強磁性微粉末の製造方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5994231A (ja) * | 1982-11-22 | 1984-05-30 | Fuji Photo Film Co Ltd | 磁気記録体 |
-
1984
- 1984-10-29 JP JP59227073A patent/JPS61104602A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61104602A (ja) | 1986-05-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| EXPY | Cancellation because of completion of term |