JPS60170906A - Co分を含む紡錘状γ−Fe↓2O↓3磁性粉及びその製造方法 - Google Patents
Co分を含む紡錘状γ−Fe↓2O↓3磁性粉及びその製造方法Info
- Publication number
- JPS60170906A JPS60170906A JP59027849A JP2784984A JPS60170906A JP S60170906 A JPS60170906 A JP S60170906A JP 59027849 A JP59027849 A JP 59027849A JP 2784984 A JP2784984 A JP 2784984A JP S60170906 A JPS60170906 A JP S60170906A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic powder
- weight
- sio2
- fe2o3
- water
- 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
Landscapes
- Compounds Of Iron (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59027849A JPS60170906A (ja) | 1984-02-16 | 1984-02-16 | Co分を含む紡錘状γ−Fe↓2O↓3磁性粉及びその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59027849A JPS60170906A (ja) | 1984-02-16 | 1984-02-16 | Co分を含む紡錘状γ−Fe↓2O↓3磁性粉及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60170906A true JPS60170906A (ja) | 1985-09-04 |
| JPH0416924B2 JPH0416924B2 (cs) | 1992-03-25 |
Family
ID=12232361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59027849A Granted JPS60170906A (ja) | 1984-02-16 | 1984-02-16 | Co分を含む紡錘状γ−Fe↓2O↓3磁性粉及びその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60170906A (cs) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6117425A (ja) * | 1984-06-30 | 1986-01-25 | Toda Kogyo Corp | 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法 |
| US5650131A (en) * | 1993-11-01 | 1997-07-22 | Minnesota Mining And Manufacturing Company | Process for making goethite |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5626729A (en) * | 1979-08-11 | 1981-03-14 | Tdk Corp | Powdered magnetic material for magnetic recording medium |
-
1984
- 1984-02-16 JP JP59027849A patent/JPS60170906A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5626729A (en) * | 1979-08-11 | 1981-03-14 | Tdk Corp | Powdered magnetic material for magnetic recording medium |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6117425A (ja) * | 1984-06-30 | 1986-01-25 | Toda Kogyo Corp | 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法 |
| US5650131A (en) * | 1993-11-01 | 1997-07-22 | Minnesota Mining And Manufacturing Company | Process for making goethite |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0416924B2 (cs) | 1992-03-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |