JPS5275700A - Production of magnetic iron oxide powder including co - Google Patents
Production of magnetic iron oxide powder including coInfo
- Publication number
- JPS5275700A JPS5275700A JP50151675A JP15167575A JPS5275700A JP S5275700 A JPS5275700 A JP S5275700A JP 50151675 A JP50151675 A JP 50151675A JP 15167575 A JP15167575 A JP 15167575A JP S5275700 A JPS5275700 A JP S5275700A
- Authority
- JP
- Japan
- Prior art keywords
- production
- magnetic iron
- iron oxide
- oxide powder
- powder including
- 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.)
- Pending
Links
Abstract
PURPOSE: To obtain magnetic iron powder including Co, which is desirable material for magnetic recording medium, by treating the magnetized iron powder with Co (OH)2 in the reducing atmosphere and in comparativelyllow temperature.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50151675A JPS5275700A (en) | 1975-12-19 | 1975-12-19 | Production of magnetic iron oxide powder including co |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50151675A JPS5275700A (en) | 1975-12-19 | 1975-12-19 | Production of magnetic iron oxide powder including co |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5275700A true JPS5275700A (en) | 1977-06-24 |
Family
ID=15523777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50151675A Pending JPS5275700A (en) | 1975-12-19 | 1975-12-19 | Production of magnetic iron oxide powder including co |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5275700A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2387912A1 (en) * | 1977-04-20 | 1978-11-17 | Hitachi Maxell | MAGNETIC PARTICLES OF IRON OXIDE CONTAINING COBALT AND THEIR PREPARATION PROCESS |
JPS549798A (en) * | 1977-06-23 | 1979-01-24 | Hitachi Maxell | Ferromagnetic powder for magnetic recording |
-
1975
- 1975-12-19 JP JP50151675A patent/JPS5275700A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2387912A1 (en) * | 1977-04-20 | 1978-11-17 | Hitachi Maxell | MAGNETIC PARTICLES OF IRON OXIDE CONTAINING COBALT AND THEIR PREPARATION PROCESS |
JPS549798A (en) * | 1977-06-23 | 1979-01-24 | Hitachi Maxell | Ferromagnetic powder for magnetic recording |
JPS5853495B2 (en) * | 1977-06-23 | 1983-11-29 | 日立マクセル株式会社 | magnetic recording medium |
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