JPS59207604A - 磁気記録用粉末の製造方法 - Google Patents
磁気記録用粉末の製造方法Info
- Publication number
- JPS59207604A JPS59207604A JP58080761A JP8076183A JPS59207604A JP S59207604 A JPS59207604 A JP S59207604A JP 58080761 A JP58080761 A JP 58080761A JP 8076183 A JP8076183 A JP 8076183A JP S59207604 A JPS59207604 A JP S59207604A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- solution
- magnetic recording
- li2co3
- na2co3
- 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
- 239000000843 powder Substances 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 229910052808 lithium carbonate Inorganic materials 0.000 claims abstract description 5
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims abstract description 5
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims abstract description 4
- 229910001626 barium chloride Inorganic materials 0.000 claims abstract description 4
- 239000006247 magnetic powder Substances 0.000 claims abstract description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims description 2
- 229910052712 strontium Inorganic materials 0.000 claims description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 2
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 claims 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract description 6
- 235000017550 sodium carbonate Nutrition 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 5
- 239000000243 solution Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 abstract 2
- 238000001556 precipitation Methods 0.000 abstract 2
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 230000005415 magnetization Effects 0.000 description 6
- 239000002609 medium Substances 0.000 description 4
- 238000005755 formation reaction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical compound [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000010952 cobalt-chrome Substances 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- XMNVMZIXNKZAJB-UHFFFAOYSA-N iron(3+);lead(2+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Fe+3].[Fe+3].[Pb+2].[Pb+2] XMNVMZIXNKZAJB-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70678—Ferrites
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58080761A JPS59207604A (ja) | 1983-05-11 | 1983-05-11 | 磁気記録用粉末の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58080761A JPS59207604A (ja) | 1983-05-11 | 1983-05-11 | 磁気記録用粉末の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59207604A true JPS59207604A (ja) | 1984-11-24 |
| JPH0534813B2 JPH0534813B2 (enrdf_load_stackoverflow) | 1993-05-25 |
Family
ID=13727396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58080761A Granted JPS59207604A (ja) | 1983-05-11 | 1983-05-11 | 磁気記録用粉末の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59207604A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023027860A (ja) * | 2021-08-18 | 2023-03-03 | 国立大学法人 筑波大学 | 磁性粉末材料、永久磁石及び磁性粉末材料の製造方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57120308A (en) * | 1981-01-17 | 1982-07-27 | Toda Kogyo Corp | Manufacture of vertical magnetic recording hexagonal planar magnet plumbite type ferrite particle powder |
| JPS5841728A (ja) * | 1981-08-19 | 1983-03-11 | バスフ・アクチエンゲゼルシヤフト | 微細なフエライト粉末の製造方法 |
-
1983
- 1983-05-11 JP JP58080761A patent/JPS59207604A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57120308A (en) * | 1981-01-17 | 1982-07-27 | Toda Kogyo Corp | Manufacture of vertical magnetic recording hexagonal planar magnet plumbite type ferrite particle powder |
| JPS5841728A (ja) * | 1981-08-19 | 1983-03-11 | バスフ・アクチエンゲゼルシヤフト | 微細なフエライト粉末の製造方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023027860A (ja) * | 2021-08-18 | 2023-03-03 | 国立大学法人 筑波大学 | 磁性粉末材料、永久磁石及び磁性粉末材料の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0534813B2 (enrdf_load_stackoverflow) | 1993-05-25 |
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