JPS59110037A - 磁気記録媒体 - Google Patents
磁気記録媒体Info
- Publication number
- JPS59110037A JPS59110037A JP57220920A JP22092082A JPS59110037A JP S59110037 A JPS59110037 A JP S59110037A JP 57220920 A JP57220920 A JP 57220920A JP 22092082 A JP22092082 A JP 22092082A JP S59110037 A JPS59110037 A JP S59110037A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- powder
- magnetic recording
- aluminum oxide
- contg
- 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 54
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 15
- 239000011230 binding agent Substances 0.000 claims abstract description 4
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 4
- 239000002075 main ingredient Substances 0.000 claims 1
- 238000002834 transmittance Methods 0.000 abstract description 11
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract description 10
- 239000006247 magnetic powder Substances 0.000 abstract description 8
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052593 corundum Inorganic materials 0.000 abstract description 4
- 239000010431 corundum Substances 0.000 abstract description 4
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 abstract description 4
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000654 additive Substances 0.000 abstract description 3
- 229940090961 chromium dioxide Drugs 0.000 abstract description 2
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 abstract description 2
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract description 2
- 239000010979 ruby Substances 0.000 abstract description 2
- 229910001750 ruby Inorganic materials 0.000 abstract description 2
- 229910052594 sapphire Inorganic materials 0.000 abstract 2
- GNRSAWUEBMWBQH-UHFFFAOYSA-N nickel(II) oxide Inorganic materials [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 abstract 1
- 239000010980 sapphire Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 239000003973 paint Substances 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000002216 antistatic agent Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000002904 solvent 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 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
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- -1 fatty acid ester Chemical class 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000001023 inorganic pigment Substances 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
- 230000031700 light absorption Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 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 |
|---|---|---|---|
| JP57220920A JPS59110037A (ja) | 1982-12-15 | 1982-12-15 | 磁気記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57220920A JPS59110037A (ja) | 1982-12-15 | 1982-12-15 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59110037A true JPS59110037A (ja) | 1984-06-25 |
| JPS6330697B2 JPS6330697B2 (enrdf_load_stackoverflow) | 1988-06-20 |
Family
ID=16758610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57220920A Granted JPS59110037A (ja) | 1982-12-15 | 1982-12-15 | 磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59110037A (enrdf_load_stackoverflow) |
-
1982
- 1982-12-15 JP JP57220920A patent/JPS59110037A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6330697B2 (enrdf_load_stackoverflow) | 1988-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5885931A (ja) | 磁気記録媒体 | |
| JPS59110037A (ja) | 磁気記録媒体 | |
| JP2620256B2 (ja) | 磁気記録媒体 | |
| JPH028372B2 (enrdf_load_stackoverflow) | ||
| JP2632943B2 (ja) | 磁気記録媒体 | |
| JPS60121517A (ja) | 磁気記録媒体 | |
| JPS60193131A (ja) | 磁気記録媒体 | |
| JP3452124B2 (ja) | 磁気記録媒体の非磁性下地層用非磁性粒子粉末及びその製造法並びに磁気記録媒体 | |
| JPS62184623A (ja) | 磁気記録媒体 | |
| JPS60193128A (ja) | 磁気記録媒体 | |
| JPS5992435A (ja) | 磁気記録媒体 | |
| JPH0250527B2 (enrdf_load_stackoverflow) | ||
| KR930002158B1 (ko) | 자기기록 매체의 제조방법 | |
| JPH01102728A (ja) | 磁気記録媒体 | |
| JPS61132521A (ja) | 磁気記録媒体用磁性酸化鉄粒子粉末及びその製造法 | |
| JPH01251426A (ja) | 磁気記録媒体 | |
| JPS58200429A (ja) | 磁気記録媒体 | |
| JPH03286420A (ja) | 磁気記録媒体 | |
| JPS5868232A (ja) | 磁気記録媒体 | |
| JPH0562152A (ja) | 磁気テープ | |
| JPS58196623A (ja) | 磁気記録媒体 | |
| JPS5992436A (ja) | 磁気記録媒体 | |
| JPS5911532A (ja) | 磁気記録媒体 | |
| JPS5992434A (ja) | 磁気記録媒体 | |
| JPS6292235A (ja) | 磁気記録媒体 |