JPS59223935A - 磁気記録媒体 - Google Patents
磁気記録媒体Info
- Publication number
- JPS59223935A JPS59223935A JP9791283A JP9791283A JPS59223935A JP S59223935 A JPS59223935 A JP S59223935A JP 9791283 A JP9791283 A JP 9791283A JP 9791283 A JP9791283 A JP 9791283A JP S59223935 A JPS59223935 A JP S59223935A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- thickness
- layer
- powder
- magnetic layer
- 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 66
- 239000011230 binding agent Substances 0.000 claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 11
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 9
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 238000000576 coating method Methods 0.000 abstract description 24
- 239000011248 coating agent Substances 0.000 abstract description 22
- 239000006247 magnetic powder Substances 0.000 abstract description 10
- 229920001228 polyisocyanate Polymers 0.000 abstract description 7
- 239000005056 polyisocyanate Substances 0.000 abstract description 7
- 229920001225 polyester resin Polymers 0.000 abstract description 4
- 239000004645 polyester resin Substances 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 229920002239 polyacrylonitrile Polymers 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 34
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 9
- 239000003973 paint Substances 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000000314 lubricant Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229920006287 phenoxy resin Polymers 0.000 description 2
- 239000013034 phenoxy resin Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920005749 polyurethane resin Polymers 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 102100024066 Coiled-coil and C2 domain-containing protein 1A Human genes 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 101000910423 Homo sapiens Coiled-coil and C2 domain-containing protein 1A Proteins 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
- 229910017709 Ni Co Inorganic materials 0.000 description 1
- 229910003267 Ni-Co Inorganic materials 0.000 description 1
- 229910003262 Ni‐Co Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- HGAZMNJKRQFZKS-UHFFFAOYSA-N chloroethene;ethenyl acetate Chemical compound ClC=C.CC(=O)OC=C HGAZMNJKRQFZKS-UHFFFAOYSA-N 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane 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
- G11B5/702—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 bonding agent
- G11B5/7023—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 bonding agent containing polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
Landscapes
- Magnetic Record Carriers (AREA)
- Paints Or Removers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9791283A JPS59223935A (ja) | 1983-06-03 | 1983-06-03 | 磁気記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9791283A JPS59223935A (ja) | 1983-06-03 | 1983-06-03 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59223935A true JPS59223935A (ja) | 1984-12-15 |
| JPH0533444B2 JPH0533444B2 (enrdf_load_stackoverflow) | 1993-05-19 |
Family
ID=14204921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9791283A Granted JPS59223935A (ja) | 1983-06-03 | 1983-06-03 | 磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59223935A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62159338A (ja) * | 1986-01-06 | 1987-07-15 | Hitachi Maxell Ltd | 磁気ディスク |
| JPS62241130A (ja) * | 1986-04-14 | 1987-10-21 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57198536A (en) * | 1981-05-28 | 1982-12-06 | Sony Corp | Magnetic recording medium |
| JPS58111126A (ja) * | 1981-12-24 | 1983-07-02 | Fuji Photo Film Co Ltd | 磁気記録材料 |
| JPS59168928A (ja) * | 1983-03-16 | 1984-09-22 | Ricoh Co Ltd | 磁気記録媒体 |
-
1983
- 1983-06-03 JP JP9791283A patent/JPS59223935A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57198536A (en) * | 1981-05-28 | 1982-12-06 | Sony Corp | Magnetic recording medium |
| JPS58111126A (ja) * | 1981-12-24 | 1983-07-02 | Fuji Photo Film Co Ltd | 磁気記録材料 |
| JPS59168928A (ja) * | 1983-03-16 | 1984-09-22 | Ricoh Co Ltd | 磁気記録媒体 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62159338A (ja) * | 1986-01-06 | 1987-07-15 | Hitachi Maxell Ltd | 磁気ディスク |
| JPS62241130A (ja) * | 1986-04-14 | 1987-10-21 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0533444B2 (enrdf_load_stackoverflow) | 1993-05-19 |
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