JPS549799A - Magnetic material of high coercive force - Google Patents
Magnetic material of high coercive forceInfo
- Publication number
- JPS549799A JPS549799A JP4278578A JP4278578A JPS549799A JP S549799 A JPS549799 A JP S549799A JP 4278578 A JP4278578 A JP 4278578A JP 4278578 A JP4278578 A JP 4278578A JP S549799 A JPS549799 A JP S549799A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic material
- coercive force
- high coercive
- maghemite
- magnetite
- 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
- 239000000696 magnetic material Substances 0.000 title abstract 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 239000002344 surface layer Substances 0.000 abstract 1
Landscapes
- Compounds Of Iron (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
Abstract
PURPOSE: To form magnetic material of high coercive force and excellent temperature characteristics, by having phosphor or sodium adhered to, or contained in the surface layer of magnetite or maghemite.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4278578A JPS549799A (en) | 1978-04-12 | 1978-04-12 | Magnetic material of high coercive force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4278578A JPS549799A (en) | 1978-04-12 | 1978-04-12 | Magnetic material of high coercive force |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5997174A Division JPS544076B2 (en) | 1974-05-28 | 1974-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS549799A true JPS549799A (en) | 1979-01-24 |
Family
ID=12645612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4278578A Pending JPS549799A (en) | 1978-04-12 | 1978-04-12 | Magnetic material of high coercive force |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS549799A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3652334A (en) * | 1967-11-25 | 1972-03-28 | Agfa Gevaert Ag | Magnetic material and method of making the same |
-
1978
- 1978-04-12 JP JP4278578A patent/JPS549799A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3652334A (en) * | 1967-11-25 | 1972-03-28 | Agfa Gevaert Ag | Magnetic material and method of making the same |
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