JPS5259894A - Magnetic material - Google Patents
Magnetic materialInfo
- Publication number
- JPS5259894A JPS5259894A JP50136554A JP13655475A JPS5259894A JP S5259894 A JPS5259894 A JP S5259894A JP 50136554 A JP50136554 A JP 50136554A JP 13655475 A JP13655475 A JP 13655475A JP S5259894 A JPS5259894 A JP S5259894A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic material
- nucleus
- providing
- iron oxide
- specified range
- 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
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
Abstract
PURPOSE: To obtain a magnetic material within the specified range of pH by providing its exclusive surface with cobalt layer on the nucleus of ferromagnetic iron oxide.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50136554A JPS5259894A (en) | 1975-11-13 | 1975-11-13 | Magnetic material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50136554A JPS5259894A (en) | 1975-11-13 | 1975-11-13 | Magnetic material |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5259894A true JPS5259894A (en) | 1977-05-17 |
JPS5522006B2 JPS5522006B2 (en) | 1980-06-13 |
Family
ID=15177924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50136554A Granted JPS5259894A (en) | 1975-11-13 | 1975-11-13 | Magnetic material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5259894A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5556016A (en) * | 1978-10-20 | 1980-04-24 | Hitachi Maxell Ltd | Production of ferromagnetic powder |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49113199A (en) * | 1973-03-05 | 1974-10-29 |
-
1975
- 1975-11-13 JP JP50136554A patent/JPS5259894A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49113199A (en) * | 1973-03-05 | 1974-10-29 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5556016A (en) * | 1978-10-20 | 1980-04-24 | Hitachi Maxell Ltd | Production of ferromagnetic powder |
JPS6242857B2 (en) * | 1978-10-20 | 1987-09-10 | Hitachi Maxell |
Also Published As
Publication number | Publication date |
---|---|
JPS5522006B2 (en) | 1980-06-13 |
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