JPS6045938A - 磁気記録媒体 - Google Patents
磁気記録媒体Info
- Publication number
- JPS6045938A JPS6045938A JP58152538A JP15253883A JPS6045938A JP S6045938 A JPS6045938 A JP S6045938A JP 58152538 A JP58152538 A JP 58152538A JP 15253883 A JP15253883 A JP 15253883A JP S6045938 A JPS6045938 A JP S6045938A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- back layer
- layer
- radiation
- 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
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- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- JUQZLOPBYCERSG-UHFFFAOYSA-N ethene 2-methylprop-2-enoic acid Chemical compound C(C(=C)C)(=O)O.C=C.C=C.C=C.C=C.C=C.C=C JUQZLOPBYCERSG-UHFFFAOYSA-N 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- ACCCMOQWYVYDOT-UHFFFAOYSA-N hexane-1,1-diol Chemical compound CCCCCC(O)O ACCCMOQWYVYDOT-UHFFFAOYSA-N 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229920003049 isoprene rubber Polymers 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 150000002688 maleic acid derivatives Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000001333 moisturizer Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000013034 phenoxy resin Substances 0.000 description 1
- 229920006287 phenoxy resin Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 238000012643 polycondensation polymerization Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 235000019592 roughness Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000004627 transmission electron microscopy Methods 0.000 description 1
- BAZVSMNPJJMILC-UHFFFAOYSA-N triadimenol Chemical compound C1=NC=NN1C(C(O)C(C)(C)C)OC1=CC=C(Cl)C=C1 BAZVSMNPJJMILC-UHFFFAOYSA-N 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- 229920006163 vinyl copolymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73923—Organic polymer substrates
-
- 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/735—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer
- G11B5/7356—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2
- G11B5/7358—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2 specially adapted for achieving a specific property, e.g. average roughness [Ra]
Landscapes
- Lubricants (AREA)
- 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 |
|---|---|---|---|
| JP58152538A JPS6045938A (ja) | 1983-08-23 | 1983-08-23 | 磁気記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58152538A JPS6045938A (ja) | 1983-08-23 | 1983-08-23 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6045938A true JPS6045938A (ja) | 1985-03-12 |
| JPH0533447B2 JPH0533447B2 (enrdf_load_html_response) | 1993-05-19 |
Family
ID=15542631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58152538A Granted JPS6045938A (ja) | 1983-08-23 | 1983-08-23 | 磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6045938A (enrdf_load_html_response) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60107729A (ja) * | 1983-11-16 | 1985-06-13 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS61172215A (ja) * | 1985-01-28 | 1986-08-02 | Hitachi Maxell Ltd | 磁気記録媒体 |
| JPH027223A (ja) * | 1988-06-27 | 1990-01-11 | Hitachi Maxell Ltd | 磁気記録媒体 |
| WO1994027290A1 (en) * | 1993-05-14 | 1994-11-24 | Tdk Corporation | Magnetic recording medium |
| US6495706B2 (en) | 2000-06-07 | 2002-12-17 | Kao Corporation | Process for producing hydroxycarboxylic acid ester |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51113603A (en) * | 1975-03-28 | 1976-10-06 | Hitachi Maxell Ltd | Magnetic tape |
| JPS57154618A (en) * | 1981-03-19 | 1982-09-24 | Sony Corp | Magnetic recording medium |
| JPS57169929A (en) * | 1981-04-13 | 1982-10-19 | Tdk Corp | Magnetic recording medium and its manufacture |
| JPS57200937A (en) * | 1981-06-05 | 1982-12-09 | Tdk Corp | Magnetic recording medium |
| JPS57208635A (en) * | 1981-06-19 | 1982-12-21 | Tdk Corp | Magnetic recording medium |
| JPS57208636A (en) * | 1981-06-19 | 1982-12-21 | Tdk Corp | Magnetic recording medium |
-
1983
- 1983-08-23 JP JP58152538A patent/JPS6045938A/ja active Granted
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51113603A (en) * | 1975-03-28 | 1976-10-06 | Hitachi Maxell Ltd | Magnetic tape |
| JPS57154618A (en) * | 1981-03-19 | 1982-09-24 | Sony Corp | Magnetic recording medium |
| JPS57169929A (en) * | 1981-04-13 | 1982-10-19 | Tdk Corp | Magnetic recording medium and its manufacture |
| JPS57200937A (en) * | 1981-06-05 | 1982-12-09 | Tdk Corp | Magnetic recording medium |
| JPS57208635A (en) * | 1981-06-19 | 1982-12-21 | Tdk Corp | Magnetic recording medium |
| JPS57208636A (en) * | 1981-06-19 | 1982-12-21 | Tdk Corp | Magnetic recording medium |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60107729A (ja) * | 1983-11-16 | 1985-06-13 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS61172215A (ja) * | 1985-01-28 | 1986-08-02 | Hitachi Maxell Ltd | 磁気記録媒体 |
| JPH027223A (ja) * | 1988-06-27 | 1990-01-11 | Hitachi Maxell Ltd | 磁気記録媒体 |
| WO1994027290A1 (en) * | 1993-05-14 | 1994-11-24 | Tdk Corporation | Magnetic recording medium |
| US5616398A (en) * | 1993-05-14 | 1997-04-01 | Tdk Corporation | Magnetic recording medium |
| US6495706B2 (en) | 2000-06-07 | 2002-12-17 | Kao Corporation | Process for producing hydroxycarboxylic acid ester |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0533447B2 (enrdf_load_html_response) | 1993-05-19 |
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