JPH0416924B2 - - Google Patents
Info
- Publication number
- JPH0416924B2 JPH0416924B2 JP59027849A JP2784984A JPH0416924B2 JP H0416924 B2 JPH0416924 B2 JP H0416924B2 JP 59027849 A JP59027849 A JP 59027849A JP 2784984 A JP2784984 A JP 2784984A JP H0416924 B2 JPH0416924 B2 JP H0416924B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- feooh
- magnetic powder
- terms
- spindle
- 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
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
- Paints Or Removers (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 JPS60170906A (ja) | 1985-09-04 |
| JPH0416924B2 true JPH0416924B2 (enEXAMPLES) | 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 (enEXAMPLES) |
Families Citing this family (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 |
| CA2175466A1 (en) * | 1993-11-01 | 1995-05-11 | Jean A. Lown | Process for making goethite |
Family Cites Families (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
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60170906A (ja) | 1985-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4729846A (en) | Method for manufacturing lepidocrocite | |
| US4447264A (en) | Production of magnetic powder | |
| JPS61174304A (ja) | 鉄から本質的になる強磁性金属顔料の製造方法 | |
| US4267207A (en) | Process for producing cobalt-containing ferromagnetic iron oxide powder | |
| US5582914A (en) | Magnetic iron oxide particles and method of producing the same | |
| US4920010A (en) | Ferromagnetic metal powder | |
| US4457955A (en) | Process for producing magnetizable particles | |
| US4594267A (en) | Process for producing cobalt-containing magnetic iron oxide powder | |
| US4456475A (en) | Process for preparing ferromagnetic particles comprising metallic iron | |
| JPH0416924B2 (enEXAMPLES) | ||
| CA1132008A (en) | Metallic iron particles for magnetic recording produced by reducing an iron oxide precursor coated with an antimony compound | |
| JPH10226520A (ja) | 水和酸化鉄及び強磁性酸化鉄の製造方法 | |
| JP2744641B2 (ja) | 強磁性金属粉末の製造方法 | |
| KR0125939B1 (ko) | 자기 기록용 자기 산화철 입자의 제조방법 | |
| US5989516A (en) | Spindle-shaped geothite particles | |
| US4497654A (en) | Ferromagnetic metallic powders useful for magnetic recording and processes for producing said metallic powders | |
| JPH0343325B2 (enEXAMPLES) | ||
| JPS6349722B2 (enEXAMPLES) | ||
| JP3011221B2 (ja) | 針状ゲータイト粒子粉末の製造法 | |
| JPH0343324B2 (enEXAMPLES) | ||
| JPH0312125B2 (enEXAMPLES) | ||
| JPH0696921A (ja) | 酸化鉄磁性粒子の製造方法および磁気記録媒体の製造方法 | |
| JPS58161723A (ja) | 磁性金属粉の製造法 | |
| JPS61166109A (ja) | 強磁性金属粉末とその製造方法 | |
| JPH0553843B2 (enEXAMPLES) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |