JPH0221050B2 - - Google Patents
Info
- Publication number
- JPH0221050B2 JPH0221050B2 JP10821681A JP10821681A JPH0221050B2 JP H0221050 B2 JPH0221050 B2 JP H0221050B2 JP 10821681 A JP10821681 A JP 10821681A JP 10821681 A JP10821681 A JP 10821681A JP H0221050 B2 JPH0221050 B2 JP H0221050B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic field
- orientation
- substrate
- 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
Links
- 239000000758 substrate Substances 0.000 claims description 17
- 239000010419 fine particle Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 11
- 230000005415 magnetization Effects 0.000 claims description 10
- 239000003973 paint Substances 0.000 claims description 10
- 239000011247 coating layer Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 239000010408 film Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 239000002585 base Substances 0.000 description 6
- 239000006249 magnetic particle Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910020517 Co—Ti Inorganic materials 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 159000000009 barium salts Chemical class 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical class [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 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000009827 uniform distribution 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/842—Coating a support with a liquid magnetic dispersion
- G11B5/845—Coating a support with a liquid magnetic dispersion in a magnetic field
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10821681A JPS5812136A (ja) | 1981-07-13 | 1981-07-13 | 垂直磁気記録媒体製造用磁場配向装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10821681A JPS5812136A (ja) | 1981-07-13 | 1981-07-13 | 垂直磁気記録媒体製造用磁場配向装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5812136A JPS5812136A (ja) | 1983-01-24 |
| JPH0221050B2 true JPH0221050B2 (en, 2012) | 1990-05-11 |
Family
ID=14478967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10821681A Granted JPS5812136A (ja) | 1981-07-13 | 1981-07-13 | 垂直磁気記録媒体製造用磁場配向装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5812136A (en, 2012) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6074121A (ja) * | 1983-09-29 | 1985-04-26 | Toshiba Corp | 高密度磁気記録媒体の製造装置 |
| JPS6166619A (ja) * | 1984-09-10 | 1986-04-05 | Hosokawa Seisakusho:Kk | 合成樹脂積層体の製造方法及びこの方法で使用する金型装置 |
| JPS6218620A (ja) * | 1985-07-17 | 1987-01-27 | Matsushita Electric Ind Co Ltd | 塗布型垂直磁気記録媒体 |
| JPH0186507U (en, 2012) * | 1987-11-30 | 1989-06-08 | ||
| JPH0489626A (ja) * | 1990-07-26 | 1992-03-23 | Taiyo Yuden Co Ltd | 垂直磁気記録媒体の製造法 |
-
1981
- 1981-07-13 JP JP10821681A patent/JPS5812136A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5812136A (ja) | 1983-01-24 |
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