JPS596502A - 改良された強磁性鉄粉の製造方法 - Google Patents
改良された強磁性鉄粉の製造方法Info
- Publication number
- JPS596502A JPS596502A JP57115593A JP11559382A JPS596502A JP S596502 A JPS596502 A JP S596502A JP 57115593 A JP57115593 A JP 57115593A JP 11559382 A JP11559382 A JP 11559382A JP S596502 A JPS596502 A JP S596502A
- Authority
- JP
- Japan
- Prior art keywords
- goethite
- iron powder
- acicular
- magnetic
- hematite
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/065—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder obtained by a reduction
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- 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 |
|---|---|---|---|
| JP57115593A JPS596502A (ja) | 1982-07-05 | 1982-07-05 | 改良された強磁性鉄粉の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57115593A JPS596502A (ja) | 1982-07-05 | 1982-07-05 | 改良された強磁性鉄粉の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS596502A true JPS596502A (ja) | 1984-01-13 |
| JPH0341963B2 JPH0341963B2 (https=) | 1991-06-25 |
Family
ID=14666441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57115593A Granted JPS596502A (ja) | 1982-07-05 | 1982-07-05 | 改良された強磁性鉄粉の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS596502A (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01178122A (ja) * | 1988-01-07 | 1989-07-14 | Konica Corp | 磁気記録媒体 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625909A (en) * | 1979-08-10 | 1981-03-12 | Toda Kogyo Corp | Preparation of magnetic grain powder consisting of needle crystal alloy of iron, cobalt and zinc |
| JPS5638405A (en) * | 1979-09-01 | 1981-04-13 | Basf Ag | Production of needle like ferromagnetic iron particle |
| JPS5690904A (en) * | 1979-12-25 | 1981-07-23 | Mitsui Toatsu Chem Inc | Production of ferromagnetic metal powder |
-
1982
- 1982-07-05 JP JP57115593A patent/JPS596502A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625909A (en) * | 1979-08-10 | 1981-03-12 | Toda Kogyo Corp | Preparation of magnetic grain powder consisting of needle crystal alloy of iron, cobalt and zinc |
| JPS5638405A (en) * | 1979-09-01 | 1981-04-13 | Basf Ag | Production of needle like ferromagnetic iron particle |
| JPS5690904A (en) * | 1979-12-25 | 1981-07-23 | Mitsui Toatsu Chem Inc | Production of ferromagnetic metal powder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01178122A (ja) * | 1988-01-07 | 1989-07-14 | Konica Corp | 磁気記録媒体 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0341963B2 (https=) | 1991-06-25 |
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