JPS6341134B2 - - Google Patents
Info
- Publication number
- JPS6341134B2 JPS6341134B2 JP13212880A JP13212880A JPS6341134B2 JP S6341134 B2 JPS6341134 B2 JP S6341134B2 JP 13212880 A JP13212880 A JP 13212880A JP 13212880 A JP13212880 A JP 13212880A JP S6341134 B2 JPS6341134 B2 JP S6341134B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic field
- tape
- coating layer
- shaped substrate
- 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 27
- 239000011247 coating layer Substances 0.000 claims description 22
- 239000010419 fine particle Substances 0.000 claims description 22
- 238000001035 drying Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000000576 coating method Methods 0.000 description 13
- 239000003973 paint Substances 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 12
- 239000002585 base Substances 0.000 description 11
- 230000005415 magnetization Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 229910000859 α-Fe Inorganic materials 0.000 description 7
- 239000013078 crystal Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 159000000009 barium salts Chemical class 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000020169 heat generation Effects 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
- 239000000463 material Substances 0.000 description 1
- 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 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
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 150000003608 titanium Chemical class 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000004804 winding 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 |
|---|---|---|---|
| JP13212880A JPS5758242A (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 |
|---|---|---|---|
| JP13212880A JPS5758242A (en) | 1980-09-22 | 1980-09-22 | Magnetic field orientation device for manufacturing vertical magnetic recording medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5758242A JPS5758242A (en) | 1982-04-07 |
| JPS6341134B2 true JPS6341134B2 (enrdf_load_stackoverflow) | 1988-08-16 |
Family
ID=15074042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13212880A Granted JPS5758242A (en) | 1980-09-22 | 1980-09-22 | Magnetic field orientation device for manufacturing vertical magnetic recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5758242A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60138733A (ja) * | 1983-12-27 | 1985-07-23 | Toshiba Corp | 磁気記録媒体の製造方法 |
| JPS61110342A (ja) * | 1984-11-05 | 1986-05-28 | Berumateitsuku:Kk | 磁気記録媒体の配向装置 |
-
1980
- 1980-09-22 JP JP13212880A patent/JPS5758242A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5758242A (en) | 1982-04-07 |
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