JPS5919232A - 磁気記録体 - Google Patents
磁気記録体Info
- Publication number
- JPS5919232A JPS5919232A JP57128059A JP12805982A JPS5919232A JP S5919232 A JPS5919232 A JP S5919232A JP 57128059 A JP57128059 A JP 57128059A JP 12805982 A JP12805982 A JP 12805982A JP S5919232 A JPS5919232 A JP S5919232A
- Authority
- JP
- Japan
- Prior art keywords
- carbon black
- magnetic layer
- larger
- durability
- magnetic
- 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 33
- 239000006229 carbon black Substances 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 abstract description 8
- 230000007423 decrease Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000011164 primary particle Substances 0.000 abstract 2
- 239000000758 substrate Substances 0.000 abstract 1
- 235000019241 carbon black Nutrition 0.000 description 15
- -1 fatty acid esters Chemical class 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium dioxide Chemical compound O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 229920001220 nitrocellulos Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920001228 polyisocyanate Polymers 0.000 description 2
- 239000005056 polyisocyanate Substances 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
- 229910015189 FeOx Inorganic materials 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 description 1
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- AYOHIQLKSOJJQH-UHFFFAOYSA-N dibutyltin Chemical compound CCCC[Sn]CCCC AYOHIQLKSOJJQH-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 150000002193 fatty amides Chemical class 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 229940067606 lecithin Drugs 0.000 description 1
- 239000000787 lecithin Substances 0.000 description 1
- 235000010445 lecithin Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052961 molybdenite Inorganic materials 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003921 oil 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
- 238000001139 pH measurement Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000004094 surface-active agent Substances 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/708—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by addition of non-magnetic particles to the layer
Landscapes
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57128059A JPS5919232A (ja) | 1982-07-22 | 1982-07-22 | 磁気記録体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57128059A JPS5919232A (ja) | 1982-07-22 | 1982-07-22 | 磁気記録体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5919232A true JPS5919232A (ja) | 1984-01-31 |
| JPH0479056B2 JPH0479056B2 (enrdf_load_stackoverflow) | 1992-12-14 |
Family
ID=14975456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57128059A Granted JPS5919232A (ja) | 1982-07-22 | 1982-07-22 | 磁気記録体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5919232A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02122417A (ja) * | 1988-10-31 | 1990-05-10 | Sony Corp | 磁気記録媒体 |
| JPH02122418A (ja) * | 1988-10-31 | 1990-05-10 | Sony Corp | 磁気記録媒体 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5023605A (enrdf_load_stackoverflow) * | 1973-06-29 | 1975-03-13 | ||
| JPS5092101A (enrdf_load_stackoverflow) * | 1973-12-14 | 1975-07-23 | ||
| JPS5238201A (en) * | 1975-09-20 | 1977-03-24 | Hitachi Maxell Ltd | Magnetic recording body |
| JPS5275410A (en) * | 1975-12-20 | 1977-06-24 | Hitachi Maxell | Magnetic recording media |
| JPS5297709A (en) * | 1977-02-18 | 1977-08-16 | Hitachi Maxell | Magnetic recording material |
| JPS5297710A (en) * | 1977-02-18 | 1977-08-16 | Hitachi Maxell | Magnetic recording material |
| JPS53134407A (en) * | 1977-04-28 | 1978-11-24 | Hitachi Maxell | Magnetic recording medium |
| JPS57138037A (en) * | 1981-02-18 | 1982-08-26 | Hitachi Maxell Ltd | Manufacture for magnetic recording medium |
| JPS5864633A (ja) * | 1981-10-13 | 1983-04-18 | Hitachi Maxell Ltd | 磁気記録媒体 |
-
1982
- 1982-07-22 JP JP57128059A patent/JPS5919232A/ja active Granted
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5023605A (enrdf_load_stackoverflow) * | 1973-06-29 | 1975-03-13 | ||
| JPS5092101A (enrdf_load_stackoverflow) * | 1973-12-14 | 1975-07-23 | ||
| JPS5238201A (en) * | 1975-09-20 | 1977-03-24 | Hitachi Maxell Ltd | Magnetic recording body |
| JPS5275410A (en) * | 1975-12-20 | 1977-06-24 | Hitachi Maxell | Magnetic recording media |
| JPS5297709A (en) * | 1977-02-18 | 1977-08-16 | Hitachi Maxell | Magnetic recording material |
| JPS5297710A (en) * | 1977-02-18 | 1977-08-16 | Hitachi Maxell | Magnetic recording material |
| JPS53134407A (en) * | 1977-04-28 | 1978-11-24 | Hitachi Maxell | Magnetic recording medium |
| JPS57138037A (en) * | 1981-02-18 | 1982-08-26 | Hitachi Maxell Ltd | Manufacture for magnetic recording medium |
| JPS5864633A (ja) * | 1981-10-13 | 1983-04-18 | Hitachi Maxell Ltd | 磁気記録媒体 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02122417A (ja) * | 1988-10-31 | 1990-05-10 | Sony Corp | 磁気記録媒体 |
| JPH02122418A (ja) * | 1988-10-31 | 1990-05-10 | Sony Corp | 磁気記録媒体 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0479056B2 (enrdf_load_stackoverflow) | 1992-12-14 |
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