JPH0341894B2 - - Google Patents
Info
- Publication number
- JPH0341894B2 JPH0341894B2 JP8492082A JP8492082A JPH0341894B2 JP H0341894 B2 JPH0341894 B2 JP H0341894B2 JP 8492082 A JP8492082 A JP 8492082A JP 8492082 A JP8492082 A JP 8492082A JP H0341894 B2 JPH0341894 B2 JP H0341894B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- magnetic
- field region
- recording medium
- manufacturing
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 132
- 238000001035 drying Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- 230000005294 ferromagnetic effect Effects 0.000 claims description 9
- 230000005415 magnetization Effects 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 4
- 239000010419 fine particle Substances 0.000 claims 3
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000006249 magnetic particle Substances 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- -1 cobalt rare earth Chemical class 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003302 ferromagnetic material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 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 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910016629 MnBi Inorganic materials 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- FDPIMTJIUBPUKL-UHFFFAOYSA-N dimethylacetone Natural products CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229940067606 lecithin Drugs 0.000 description 1
- 235000010445 lecithin Nutrition 0.000 description 1
- 239000000787 lecithin Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- MOQRZWSWPNIGMP-UHFFFAOYSA-N pentyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCCCC MOQRZWSWPNIGMP-UHFFFAOYSA-N 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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 |
|---|---|---|---|
| JP8492082A JPS58203633A (ja) | 1982-05-21 | 1982-05-21 | 磁気記録媒体の製法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8492082A JPS58203633A (ja) | 1982-05-21 | 1982-05-21 | 磁気記録媒体の製法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58203633A JPS58203633A (ja) | 1983-11-28 |
| JPH0341894B2 true JPH0341894B2 (enrdf_load_stackoverflow) | 1991-06-25 |
Family
ID=13844142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8492082A Granted JPS58203633A (ja) | 1982-05-21 | 1982-05-21 | 磁気記録媒体の製法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58203633A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60109166A (ja) * | 1983-11-17 | 1985-06-14 | ウシオ電機株式会社 | 管型電球 |
| JPS60129700A (ja) * | 1983-12-16 | 1985-07-10 | 日新ハイボルテ−ジ株式会社 | 電子線照射装置 |
| JPH0687305B2 (ja) * | 1986-08-07 | 1994-11-02 | 東京磁気印刷株式会社 | 垂直磁気記録媒体の製造装置 |
| JP2011138566A (ja) * | 2009-12-25 | 2011-07-14 | Fujifilm Corp | 磁気記録媒体の製造方法及び磁気記録媒体の製造装置 |
-
1982
- 1982-05-21 JP JP8492082A patent/JPS58203633A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58203633A (ja) | 1983-11-28 |
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