JPH01294221A - 磁気記録媒体の製造法 - Google Patents
磁気記録媒体の製造法Info
- Publication number
- JPH01294221A JPH01294221A JP3507888A JP3507888A JPH01294221A JP H01294221 A JPH01294221 A JP H01294221A JP 3507888 A JP3507888 A JP 3507888A JP 3507888 A JP3507888 A JP 3507888A JP H01294221 A JPH01294221 A JP H01294221A
- Authority
- JP
- Japan
- Prior art keywords
- tape
- orientation
- iron oxide
- magnetic
- particles
- 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
- 238000004519 manufacturing process Methods 0.000 title claims 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000002002 slurry Substances 0.000 claims abstract description 19
- 229910052742 iron Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000007858 starting material Substances 0.000 claims abstract description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 239000001257 hydrogen Substances 0.000 claims abstract description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims abstract 3
- 239000011230 binding agent Substances 0.000 claims abstract 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 16
- 238000010335 hydrothermal treatment Methods 0.000 claims description 8
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 40
- 239000000203 mixture Substances 0.000 abstract description 7
- 230000004927 fusion Effects 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 14
- 229910052598 goethite Inorganic materials 0.000 description 11
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 11
- 239000007864 aqueous solution Substances 0.000 description 10
- 239000004115 Sodium Silicate Substances 0.000 description 9
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 9
- 229910052911 sodium silicate Inorganic materials 0.000 description 9
- 239000006247 magnetic powder Substances 0.000 description 8
- 238000005259 measurement Methods 0.000 description 8
- 230000004907 flux Effects 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000006249 magnetic particle Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000013459 approach Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012452 mother liquor Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 101000860173 Myxococcus xanthus C-factor Proteins 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229960004887 ferric hydroxide Drugs 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 description 1
- LDHBWEYLDHLIBQ-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide;hydrate Chemical compound O.[OH-].[O-2].[Fe+3] LDHBWEYLDHLIBQ-UHFFFAOYSA-M 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910000702 sendust Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3507888A JPH01294221A (ja) | 1988-02-19 | 1988-02-19 | 磁気記録媒体の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3507888A JPH01294221A (ja) | 1988-02-19 | 1988-02-19 | 磁気記録媒体の製造法 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15291479A Division JPS5677931A (en) | 1979-11-28 | 1979-11-28 | Magnetic recording medium and its producton |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01294221A true JPH01294221A (ja) | 1989-11-28 |
| JPH0332138B2 JPH0332138B2 (enrdf_load_stackoverflow) | 1991-05-10 |
Family
ID=12431953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3507888A Granted JPH01294221A (ja) | 1988-02-19 | 1988-02-19 | 磁気記録媒体の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01294221A (enrdf_load_stackoverflow) |
-
1988
- 1988-02-19 JP JP3507888A patent/JPH01294221A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0332138B2 (enrdf_load_stackoverflow) | 1991-05-10 |
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