GB1232301A - - Google Patents
Info
- Publication number
- GB1232301A GB1232301A GB1232301DA GB1232301A GB 1232301 A GB1232301 A GB 1232301A GB 1232301D A GB1232301D A GB 1232301DA GB 1232301 A GB1232301 A GB 1232301A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic
- magnetic layer
- aug
- particles
- abrasive particles
- 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 abstract 5
- 239000011230 binding agent Substances 0.000 abstract 3
- 230000005294 ferromagnetic effect Effects 0.000 abstract 3
- 239000002245 particle Substances 0.000 abstract 3
- 239000002253 acid Substances 0.000 abstract 2
- WKBPZYKAUNRMKP-UHFFFAOYSA-N 1-[2-(2,4-dichlorophenyl)pentyl]1,2,4-triazole Chemical compound C=1C=C(Cl)C=C(Cl)C=1C(CCC)CN1C=NC=N1 WKBPZYKAUNRMKP-UHFFFAOYSA-N 0.000 abstract 1
- 229910020630 Co Ni Inorganic materials 0.000 abstract 1
- 229910020637 Co-Cu Inorganic materials 0.000 abstract 1
- 229910002440 Co–Ni Inorganic materials 0.000 abstract 1
- 229910017061 Fe Co Inorganic materials 0.000 abstract 1
- 239000000020 Nitrocellulose Substances 0.000 abstract 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 abstract 1
- 235000010724 Wisteria floribunda Nutrition 0.000 abstract 1
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 abstract 1
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 239000004202 carbamide Substances 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 abstract 1
- 239000010431 corundum Substances 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 239000003822 epoxy resin Substances 0.000 abstract 1
- 239000002223 garnet Substances 0.000 abstract 1
- 239000006249 magnetic particle Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229920001220 nitrocellulos Polymers 0.000 abstract 1
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 abstract 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid group Chemical group C(CCCCCCC\C=C/CCCCCCCC)(=O)O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 abstract 1
- IPCSVZSSVZVIGE-UHFFFAOYSA-N palmitic acid group Chemical group C(CCCCCCCCCCCCCCC)(=O)O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 abstract 1
- 229920000647 polyepoxide Polymers 0.000 abstract 1
- 239000004814 polyurethane Substances 0.000 abstract 1
- 229920002635 polyurethane Polymers 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 102220002645 rs104894309 Human genes 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000011031 topaz Substances 0.000 abstract 1
- 229910052853 topaz Inorganic materials 0.000 abstract 1
- 229910000859 α-Fe Inorganic materials 0.000 abstract 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
- G11B5/71—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 the lubricant
-
- 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
- G11B5/7085—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 non-magnetic abrasive particles
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP42054380A JPS4939402B1 (enrdf_load_stackoverflow) | 1967-08-24 | 1967-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1232301A true GB1232301A (enrdf_load_stackoverflow) | 1971-05-19 |
Family
ID=12969058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1232301D Expired GB1232301A (enrdf_load_stackoverflow) | 1967-08-24 | 1968-08-21 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS4939402B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1232301A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7907589A (nl) * | 1978-10-12 | 1980-04-15 | Tdk Electronics Co Ltd | Werkwijze voor het vervaardigen van magnetisch bedekkingsmateriaal voor magnetische registratie media. |
-
1967
- 1967-08-24 JP JP42054380A patent/JPS4939402B1/ja active Pending
-
1968
- 1968-08-21 GB GB1232301D patent/GB1232301A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7907589A (nl) * | 1978-10-12 | 1980-04-15 | Tdk Electronics Co Ltd | Werkwijze voor het vervaardigen van magnetisch bedekkingsmateriaal voor magnetische registratie media. |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4939402B1 (enrdf_load_stackoverflow) | 1974-10-25 |
| DE1774740B2 (de) | 1973-10-04 |
| DE1774740A1 (de) | 1972-01-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PE20 | Patent expired after termination of 20 years |