JPH0580729B2 - - Google Patents
Info
- Publication number
- JPH0580729B2 JPH0580729B2 JP24605785A JP24605785A JPH0580729B2 JP H0580729 B2 JPH0580729 B2 JP H0580729B2 JP 24605785 A JP24605785 A JP 24605785A JP 24605785 A JP24605785 A JP 24605785A JP H0580729 B2 JPH0580729 B2 JP H0580729B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic powder
- takes
- value
- magnetic recording
- 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.)
- Expired - Lifetime
Links
- 239000006247 magnetic powder Substances 0.000 claims description 28
- 239000002245 particle Substances 0.000 claims description 14
- 230000005415 magnetization Effects 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 4
- 125000004429 atom Chemical group 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 229910052702 rhenium Inorganic materials 0.000 claims description 2
- 229910052703 rhodium Inorganic materials 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- 229910052745 lead Inorganic materials 0.000 claims 1
- 229910000859 α-Fe Inorganic materials 0.000 description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 239000007788 liquid Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000010419 fine particle Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000696 magnetic material Substances 0.000 description 5
- 239000010948 rhodium Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 238000000975 co-precipitation Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000001027 hydrothermal synthesis Methods 0.000 description 2
- -1 organic acid salts Chemical class 0.000 description 2
- VXNYVYJABGOSBX-UHFFFAOYSA-N rhodium(3+);trinitrate Chemical compound [Rh+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VXNYVYJABGOSBX-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000001805 chlorine compounds Chemical group 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007716 flux method Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Compounds Of Iron (AREA)
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24605785A JPS62107436A (ja) | 1985-11-01 | 1985-11-01 | 磁気記録用磁性粉 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24605785A JPS62107436A (ja) | 1985-11-01 | 1985-11-01 | 磁気記録用磁性粉 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62107436A JPS62107436A (ja) | 1987-05-18 |
| JPH0580729B2 true JPH0580729B2 (enrdf_load_stackoverflow) | 1993-11-10 |
Family
ID=17142822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24605785A Granted JPS62107436A (ja) | 1985-11-01 | 1985-11-01 | 磁気記録用磁性粉 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62107436A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6369206A (ja) * | 1986-09-10 | 1988-03-29 | Toshiba Glass Co Ltd | 六方晶系フエライト磁性粉末およびその製造方法 |
| JPH02296303A (ja) * | 1989-05-11 | 1990-12-06 | Nippon Zeon Co Ltd | 磁気記録媒体用磁性粉 |
-
1985
- 1985-11-01 JP JP24605785A patent/JPS62107436A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62107436A (ja) | 1987-05-18 |
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