JPH0127487B2 - - Google Patents
Info
- Publication number
- JPH0127487B2 JPH0127487B2 JP54071278A JP7127879A JPH0127487B2 JP H0127487 B2 JPH0127487 B2 JP H0127487B2 JP 54071278 A JP54071278 A JP 54071278A JP 7127879 A JP7127879 A JP 7127879A JP H0127487 B2 JPH0127487 B2 JP H0127487B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic field
- orientation
- recording
- paint
- 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
- 238000000034 method Methods 0.000 claims description 11
- 239000003973 paint Substances 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 6
- 239000010419 fine particle Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000006249 magnetic particle Substances 0.000 description 7
- 230000005415 magnetization Effects 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000003490 calendering Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910020517 Co—Ti Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 159000000009 barium salts Chemical class 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
- 230000005347 demagnetization Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 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
- 150000003608 titanium Chemical class 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7127879A JPS55163633A (en) | 1979-06-08 | 1979-06-08 | Manufacture of magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7127879A JPS55163633A (en) | 1979-06-08 | 1979-06-08 | Manufacture of magnetic recording medium |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55163633A JPS55163633A (en) | 1980-12-19 |
JPH0127487B2 true JPH0127487B2 (US06373033-20020416-M00071.png) | 1989-05-29 |
Family
ID=13456078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7127879A Granted JPS55163633A (en) | 1979-06-08 | 1979-06-08 | Manufacture of magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55163633A (US06373033-20020416-M00071.png) |
Families Citing this family (9)
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 |
JPS59139142A (ja) * | 1983-01-28 | 1984-08-09 | Hitachi Maxell Ltd | 磁気記録媒体の製造方法 |
US4447467A (en) * | 1983-03-23 | 1984-05-08 | Tokyo Shibaura Denki Kabushiki Kaisha | Method and apparatus for perpendicular magnetic recording medium |
JPS6066321A (ja) * | 1983-09-21 | 1985-04-16 | Toshiba Corp | 磁気記録媒体 |
JPS60111347A (ja) * | 1983-11-18 | 1985-06-17 | Hitachi Maxell Ltd | 磁気記録媒体の製造方法 |
US4543551A (en) * | 1984-07-02 | 1985-09-24 | Polaroid Corporation | Apparatus for orienting magnetic particles in recording media |
US4587066A (en) * | 1984-07-02 | 1986-05-06 | Polaroid Corporation | Method and apparatus for forming magnetic recording media |
JPH0760514B2 (ja) * | 1989-09-11 | 1995-06-28 | 株式会社東芝 | 磁気記録媒体及びその製造方法 |
JPH06208916A (ja) * | 1993-09-01 | 1994-07-26 | Toshiba Corp | 磁気記録用磁性粉およびそれを用いた磁気記録媒体 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52141612A (en) * | 1976-05-20 | 1977-11-26 | Hitachi Maxell | Method of producing magnetic recording media |
JPS5360204A (en) * | 1976-11-10 | 1978-05-30 | Mitsubishi Heavy Ind Ltd | Magnetic recording medium and its recording method |
-
1979
- 1979-06-08 JP JP7127879A patent/JPS55163633A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52141612A (en) * | 1976-05-20 | 1977-11-26 | Hitachi Maxell | Method of producing magnetic recording media |
JPS5360204A (en) * | 1976-11-10 | 1978-05-30 | Mitsubishi Heavy Ind Ltd | Magnetic recording medium and its recording method |
Also Published As
Publication number | Publication date |
---|---|
JPS55163633A (en) | 1980-12-19 |