KR850007312A - 방추상 자성 산화철입자 및 그의 제조방법(紡錘狀磁性酸化鐵粒子 및 그의 製造方法) - Google Patents
방추상 자성 산화철입자 및 그의 제조방법(紡錘狀磁性酸化鐵粒子 및 그의 製造方法) Download PDFInfo
- Publication number
- KR850007312A KR850007312A KR1019850002789A KR850002789A KR850007312A KR 850007312 A KR850007312 A KR 850007312A KR 1019850002789 A KR1019850002789 A KR 1019850002789A KR 850002789 A KR850002789 A KR 850002789A KR 850007312 A KR850007312 A KR 850007312A
- Authority
- KR
- South Korea
- Prior art keywords
- particles
- fusiform
- atomic
- magnetite
- iron oxide
- 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.)
- Withdrawn
Links
- 239000002245 particle Substances 0.000 title claims description 58
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title claims description 40
- 238000000034 method Methods 0.000 title claims 8
- 238000004519 manufacturing process Methods 0.000 title claims 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 30
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 10
- 229910052598 goethite Inorganic materials 0.000 claims description 8
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 22
- 239000007864 aqueous solution Substances 0.000 claims 11
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims 11
- 239000007900 aqueous suspension Substances 0.000 claims 10
- 239000007789 gas Substances 0.000 claims 8
- 239000003513 alkali Substances 0.000 claims 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims 4
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 claims 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 4
- 238000007664 blowing Methods 0.000 claims 4
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 claims 4
- 229910052595 hematite Inorganic materials 0.000 claims 4
- 239000011019 hematite Substances 0.000 claims 4
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims 4
- 230000001590 oxidative effect Effects 0.000 claims 4
- 239000001301 oxygen Substances 0.000 claims 4
- 229910052760 oxygen Inorganic materials 0.000 claims 4
- 239000000725 suspension Substances 0.000 claims 4
- 229910052742 iron Inorganic materials 0.000 claims 3
- 238000006243 chemical reaction Methods 0.000 claims 2
- 150000001868 cobalt Chemical class 0.000 claims 2
- 230000018044 dehydration Effects 0.000 claims 2
- 238000006297 dehydration reaction Methods 0.000 claims 2
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 claims 2
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical class [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000006249 magnetic particle Substances 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000004760 silicates Chemical class 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
- G11B5/70652—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 gamma - Fe2 O3
-
- 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
- G11B5/70684—Ferro-ferrioxydes
- G11B5/70689—Magnetite
Landscapes
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59087011A JPS60231418A (ja) | 1984-04-28 | 1984-04-28 | 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法 |
| JP59-87011 | 1984-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR850007312A true KR850007312A (ko) | 1985-12-02 |
Family
ID=13903019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019850002789A Withdrawn KR850007312A (ko) | 1984-04-28 | 1985-04-25 | 방추상 자성 산화철입자 및 그의 제조방법(紡錘狀磁性酸化鐵粒子 및 그의 製造方法) |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS60231418A (enrdf_load_stackoverflow) |
| KR (1) | KR850007312A (enrdf_load_stackoverflow) |
-
1984
- 1984-04-28 JP JP59087011A patent/JPS60231418A/ja active Granted
-
1985
- 1985-04-25 KR KR1019850002789A patent/KR850007312A/ko not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60231418A (ja) | 1985-11-18 |
| JPS6313936B2 (enrdf_load_stackoverflow) | 1988-03-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19850425 |
|
| PG1501 | Laying open of application | ||
| PC1203 | Withdrawal of no request for examination | ||
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |