JPS5928234A - 磁気記録媒体 - Google Patents
磁気記録媒体Info
- Publication number
- JPS5928234A JPS5928234A JP57137337A JP13733782A JPS5928234A JP S5928234 A JPS5928234 A JP S5928234A JP 57137337 A JP57137337 A JP 57137337A JP 13733782 A JP13733782 A JP 13733782A JP S5928234 A JPS5928234 A JP S5928234A
- Authority
- JP
- Japan
- Prior art keywords
- average particle
- magnetic
- particle diameter
- tio
- coating material
- 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 46
- 239000002245 particle Substances 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 9
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 8
- KELHQGOVULCJSG-UHFFFAOYSA-N n,n-dimethyl-1-(5-methylfuran-2-yl)ethane-1,2-diamine Chemical compound CN(C)C(CN)C1=CC=C(C)O1 KELHQGOVULCJSG-UHFFFAOYSA-N 0.000 claims abstract description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 239000006229 carbon black Substances 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 4
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract description 4
- 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 abstract description 2
- 229920001577 copolymer Polymers 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 235000014113 dietary fatty acids Nutrition 0.000 abstract description 2
- 229930195729 fatty acid Natural products 0.000 abstract description 2
- 239000000194 fatty acid Substances 0.000 abstract description 2
- -1 fatty acid ester Chemical class 0.000 abstract description 2
- 229940067606 lecithin Drugs 0.000 abstract description 2
- 235000010445 lecithin Nutrition 0.000 abstract description 2
- 239000000787 lecithin Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 229920001228 polyisocyanate Polymers 0.000 abstract description 2
- 239000005056 polyisocyanate Substances 0.000 abstract description 2
- 239000004576 sand Substances 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract 3
- 238000000576 coating method Methods 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 3
- 230000002265 prevention Effects 0.000 abstract 1
- 239000011877 solvent mixture Substances 0.000 abstract 1
- 229910006297 γ-Fe2O3 Inorganic materials 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 11
- 239000003973 paint Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 239000006247 magnetic powder Substances 0.000 description 5
- 230000007257 malfunction Effects 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000003708 edge detection Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 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
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57137337A JPS5928234A (ja) | 1982-08-09 | 1982-08-09 | 磁気記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57137337A JPS5928234A (ja) | 1982-08-09 | 1982-08-09 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5928234A true JPS5928234A (ja) | 1984-02-14 |
| JPS6222178B2 JPS6222178B2 (enrdf_load_stackoverflow) | 1987-05-16 |
Family
ID=15196287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57137337A Granted JPS5928234A (ja) | 1982-08-09 | 1982-08-09 | 磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5928234A (enrdf_load_stackoverflow) |
-
1982
- 1982-08-09 JP JP57137337A patent/JPS5928234A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6222178B2 (enrdf_load_stackoverflow) | 1987-05-16 |
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