MAGNETIC RECORDING MEDIUM
PURPOSE:To obtain a thin protection film which has high hardness, low gas permeability, high strength to injuries and a low frictional coefficiency, by forming the protection film on a magnetic thin metallic film containing Co by plasma polymerization and with use of the gas containing the saturated...
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| creator | OKITA TSUTOMU SHINKAI MASAHIRO YANAGIHARA KENJI NISHIKAWA YASUROU MUKOUDA YOSHIHITO KIMURA MITSUO |
| description | PURPOSE:To obtain a thin protection film which has high hardness, low gas permeability, high strength to injuries and a low frictional coefficiency, by forming the protection film on a magnetic thin metallic film containing Co by plasma polymerization and with use of the gas containing the saturated hydrocarbon of 1-14C. CONSTITUTION:A pair of counter electrodes 3 and 3 are provided into a vacuum container 2, and an AC power supply 4, for example, is connected to both electrodes 3. Then the saturated hydrocarbon gas of 1-14C is supply through a pipe 5. A plasma polymer film of saturated hydrocarbon is formed on the surface of a ferromagnetic thin film containing Co provided on a film supporter F while the supporter F set between electrodes 3 and 3 is dent to a take-up roll 6B from a supply roll 6A. Thus it is possible to obtain a magnetic recording medium having a small spacing loss between a head and a magnetic layer and contains a protection film that excels in the anticorrosive performance, the driving performance and the durability. Furthermore a lubricant of the higher fatty acid, its ester, etc. can be applied on the protection film. |
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CONSTITUTION:A pair of counter electrodes 3 and 3 are provided into a vacuum container 2, and an AC power supply 4, for example, is connected to both electrodes 3. Then the saturated hydrocarbon gas of 1-14C is supply through a pipe 5. A plasma polymer film of saturated hydrocarbon is formed on the surface of a ferromagnetic thin film containing Co provided on a film supporter F while the supporter F set between electrodes 3 and 3 is dent to a take-up roll 6B from a supply roll 6A. Thus it is possible to obtain a magnetic recording medium having a small spacing loss between a head and a magnetic layer and contains a protection film that excels in the anticorrosive performance, the driving performance and the durability. Furthermore a lubricant of the higher fatty acid, its ester, etc. can be applied on the protection film.</description><language>eng</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; FUELS ; INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS ; INFORMATION STORAGE ; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER ; LUBRICANTS ; LUBRICATING COMPOSITIONS ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PEAT ; PETROLEUM, GAS OR COKE INDUSTRIES ; PHYSICS ; TECHNICAL GASES CONTAINING CARBON MONOXIDE ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION</subject><creationdate>1985</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19851226&DB=EPODOC&CC=JP&NR=S60263311A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19851226&DB=EPODOC&CC=JP&NR=S60263311A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OKITA TSUTOMU</creatorcontrib><creatorcontrib>SHINKAI MASAHIRO</creatorcontrib><creatorcontrib>YANAGIHARA KENJI</creatorcontrib><creatorcontrib>NISHIKAWA YASUROU</creatorcontrib><creatorcontrib>MUKOUDA YOSHIHITO</creatorcontrib><creatorcontrib>KIMURA MITSUO</creatorcontrib><title>MAGNETIC RECORDING MEDIUM</title><description>PURPOSE:To obtain a thin protection film which has high hardness, low gas permeability, high strength to injuries and a low frictional coefficiency, by forming the protection film on a magnetic thin metallic film containing Co by plasma polymerization and with use of the gas containing the saturated hydrocarbon of 1-14C. CONSTITUTION:A pair of counter electrodes 3 and 3 are provided into a vacuum container 2, and an AC power supply 4, for example, is connected to both electrodes 3. Then the saturated hydrocarbon gas of 1-14C is supply through a pipe 5. A plasma polymer film of saturated hydrocarbon is formed on the surface of a ferromagnetic thin film containing Co provided on a film supporter F while the supporter F set between electrodes 3 and 3 is dent to a take-up roll 6B from a supply roll 6A. Thus it is possible to obtain a magnetic recording medium having a small spacing loss between a head and a magnetic layer and contains a protection film that excels in the anticorrosive performance, the driving performance and the durability. 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CONSTITUTION:A pair of counter electrodes 3 and 3 are provided into a vacuum container 2, and an AC power supply 4, for example, is connected to both electrodes 3. Then the saturated hydrocarbon gas of 1-14C is supply through a pipe 5. A plasma polymer film of saturated hydrocarbon is formed on the surface of a ferromagnetic thin film containing Co provided on a film supporter F while the supporter F set between electrodes 3 and 3 is dent to a take-up roll 6B from a supply roll 6A. Thus it is possible to obtain a magnetic recording medium having a small spacing loss between a head and a magnetic layer and contains a protection film that excels in the anticorrosive performance, the driving performance and the durability. Furthermore a lubricant of the higher fatty acid, its ester, etc. can be applied on the protection film.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON FUELS INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LUBRICANTS LUBRICATING COMPOSITIONS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PEAT PETROLEUM, GAS OR COKE INDUSTRIES PHYSICS TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION |
| title | MAGNETIC RECORDING MEDIUM |
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