JPS6319933B2 - - Google Patents
Info
- Publication number
- JPS6319933B2 JPS6319933B2 JP13213680A JP13213680A JPS6319933B2 JP S6319933 B2 JPS6319933 B2 JP S6319933B2 JP 13213680 A JP13213680 A JP 13213680A JP 13213680 A JP13213680 A JP 13213680A JP S6319933 B2 JPS6319933 B2 JP S6319933B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic field
- pole faces
- coating layer
- main magnet
- 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
- 239000010419 fine particle Substances 0.000 claims description 16
- 239000011247 coating layer Substances 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 description 13
- 230000005415 magnetization Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 239000010410 layer Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 239000006249 magnetic particle Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910020517 Co—Ti Inorganic materials 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
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 238000005259 measurement Methods 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
- 239000000843 powder Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 150000003608 titanium Chemical class 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 |
|---|---|---|---|
| JP13213680A JPS5758244A (en) | 1980-09-22 | 1980-09-22 | Magnetic field orientation device for manufacturing vertical magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13213680A JPS5758244A (en) | 1980-09-22 | 1980-09-22 | Magnetic field orientation device for manufacturing vertical magnetic recording medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5758244A JPS5758244A (en) | 1982-04-07 |
| JPS6319933B2 true JPS6319933B2 (enrdf_load_stackoverflow) | 1988-04-25 |
Family
ID=15074205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13213680A Granted JPS5758244A (en) | 1980-09-22 | 1980-09-22 | Magnetic field orientation device for manufacturing vertical magnetic recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5758244A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06103530B2 (ja) * | 1982-05-20 | 1994-12-14 | 富士写真フイルム株式会社 | 磁気記録媒体の製法 |
| JPS5968826A (ja) * | 1982-10-12 | 1984-04-18 | Toshiba Corp | 垂直磁気記録媒体の製造方法 |
| JPS60138733A (ja) * | 1983-12-27 | 1985-07-23 | Toshiba Corp | 磁気記録媒体の製造方法 |
-
1980
- 1980-09-22 JP JP13213680A patent/JPS5758244A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5758244A (en) | 1982-04-07 |
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