JPS6265238A - 磁気記録媒体の製造方法 - Google Patents
磁気記録媒体の製造方法Info
- Publication number
- JPS6265238A JPS6265238A JP61188309A JP18830986A JPS6265238A JP S6265238 A JPS6265238 A JP S6265238A JP 61188309 A JP61188309 A JP 61188309A JP 18830986 A JP18830986 A JP 18830986A JP S6265238 A JPS6265238 A JP S6265238A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- recording medium
- magnetization
- hexagonal
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000000696 magnetic material Substances 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 5
- 239000000758 substrate Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 10
- 239000006247 magnetic powder Substances 0.000 claims description 9
- 239000003973 paint Substances 0.000 claims description 5
- 230000005415 magnetization Effects 0.000 abstract description 24
- 239000000843 powder Substances 0.000 abstract description 8
- 230000005292 diamagnetic effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 9
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 229910000599 Cr alloy Inorganic materials 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 238000003490 calendering Methods 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium dioxide Chemical compound O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- -1 nonionic Chemical group 0.000 description 2
- 230000003746 surface roughness Effects 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
- 229910020598 Co Fe Inorganic materials 0.000 description 1
- 229910020630 Co Ni Inorganic materials 0.000 description 1
- 229910002519 Co-Fe Inorganic materials 0.000 description 1
- 229910002440 Co–Ni Inorganic materials 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001687 destabilization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000000787 lecithin Substances 0.000 description 1
- 229940067606 lecithin Drugs 0.000 description 1
- 235000010445 lecithin Nutrition 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910006297 γ-Fe2O3 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 |
|---|---|---|---|
| JP61188309A JPS6265238A (ja) | 1986-08-11 | 1986-08-11 | 磁気記録媒体の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61188309A JPS6265238A (ja) | 1986-08-11 | 1986-08-11 | 磁気記録媒体の製造方法 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56102265A Division JPS586525A (ja) | 1981-07-02 | 1981-07-02 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6265238A true JPS6265238A (ja) | 1987-03-24 |
| JPH0323974B2 JPH0323974B2 (enrdf_load_stackoverflow) | 1991-04-02 |
Family
ID=16221350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61188309A Granted JPS6265238A (ja) | 1986-08-11 | 1986-08-11 | 磁気記録媒体の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6265238A (enrdf_load_stackoverflow) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5586103A (en) * | 1978-12-22 | 1980-06-28 | Toshiba Corp | High density magnetic recording unit |
| JPS55142421A (en) * | 1979-04-23 | 1980-11-07 | Toshiba Corp | Manufacture for magnetic recording medium |
-
1986
- 1986-08-11 JP JP61188309A patent/JPS6265238A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5586103A (en) * | 1978-12-22 | 1980-06-28 | Toshiba Corp | High density magnetic recording unit |
| JPS55142421A (en) * | 1979-04-23 | 1980-11-07 | Toshiba Corp | Manufacture for magnetic recording medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0323974B2 (enrdf_load_stackoverflow) | 1991-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR860000310B1 (ko) | 자기 기록 매체 | |
| KR930009640B1 (ko) | 자기 기록 매체 | |
| JPH04123312A (ja) | マスター用磁気記録媒体 | |
| JP2744114B2 (ja) | 多周波重畳磁気記録方式および多周波重畳磁気ヘッド記録用磁気記録媒体 | |
| JPS6265238A (ja) | 磁気記録媒体の製造方法 | |
| JPH03701B2 (enrdf_load_stackoverflow) | ||
| JPH0386917A (ja) | 磁気記録担体 | |
| JPS6250888B2 (enrdf_load_stackoverflow) | ||
| JPS62117104A (ja) | 磁気記録媒体の記録・再生方法 | |
| KR960002035B1 (ko) | 자기기록매체 및 그 제조방법 | |
| JPS6146893B2 (enrdf_load_stackoverflow) | ||
| JPS61217936A (ja) | 磁気記録媒体の製造法 | |
| JPS6146892B2 (enrdf_load_stackoverflow) | ||
| JP2843342B2 (ja) | 磁気記録媒体の製造方法 | |
| JPH01251427A (ja) | 磁気記録媒体 | |
| JPH04163715A (ja) | 磁気テープ及びその製造方法 | |
| JPS6157040A (ja) | 垂直磁気記録媒体の製造方法 | |
| JPS61217933A (ja) | 磁気記録媒体 | |
| JPH0362313A (ja) | 磁気記録媒体及びその製造方法 | |
| JPH0349024A (ja) | 磁気記録媒体 | |
| JPH036643B2 (enrdf_load_stackoverflow) | ||
| JPS61217932A (ja) | 磁気記録媒体 | |
| JPH0562152A (ja) | 磁気テープ | |
| JPS6371926A (ja) | 磁気記録媒体 | |
| JPH06279712A (ja) | 磁性塗料の製造方法及び磁気記録媒体 |