JPS5433255A - Prduction of ferromagnetic powder - Google Patents
Prduction of ferromagnetic powderInfo
- Publication number
- JPS5433255A JPS5433255A JP9917877A JP9917877A JPS5433255A JP S5433255 A JPS5433255 A JP S5433255A JP 9917877 A JP9917877 A JP 9917877A JP 9917877 A JP9917877 A JP 9917877A JP S5433255 A JPS5433255 A JP S5433255A
- Authority
- JP
- Japan
- Prior art keywords
- prduction
- ferromagnetic powder
- cool
- allowing
- iron oxide
- 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)
- Hard Magnetic Materials (AREA)
Abstract
PURPOSE: To provide stable high coercive force causing no change with time by heating iron oxide magnetic powder containing cobalt in a magnetic field under specific conditions and allowing the same to cool.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52099178A JPS6047723B2 (en) | 1977-08-18 | 1977-08-18 | Manufacturing method of ferromagnetic powder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52099178A JPS6047723B2 (en) | 1977-08-18 | 1977-08-18 | Manufacturing method of ferromagnetic powder |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5433255A true JPS5433255A (en) | 1979-03-10 |
JPS6047723B2 JPS6047723B2 (en) | 1985-10-23 |
Family
ID=14240387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52099178A Expired JPS6047723B2 (en) | 1977-08-18 | 1977-08-18 | Manufacturing method of ferromagnetic powder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6047723B2 (en) |
-
1977
- 1977-08-18 JP JP52099178A patent/JPS6047723B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6047723B2 (en) | 1985-10-23 |
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