MAGNETIC RECORDING MEDIUM

PURPOSE:To decrease a coefft. of dynamic friction so as to enhance traveling stability and to improve wear resistance and durability by incorporating a specific compd. and fluorine base lubricating agent into a protective film formed on a thin ferromagnetic metallic film on a nonmagnetic base. CONST...

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Bibliographische Detailangaben
Hauptverfasser:	SETO NOBUYOSHI, KONDO HIROFUMI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY 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 METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES PHYSICS TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	PURPOSE:To decrease a coefft. of dynamic friction so as to enhance traveling stability and to improve wear resistance and durability by incorporating a specific compd. and fluorine base lubricating agent into a protective film formed on a thin ferromagnetic metallic film on a nonmagnetic base. CONSTITUTION:The compd. contg. >=2 hydroxyl groups and fluorine base lubricating agent are incorporated into the protective film formed on the thin ferromagnetic metallic film on the nonmagnetic base. Such protective film has good adhesiveness to the thin ferromagnetic metallic film and has a high lubricating effect. These effects are sufficiently exhibited even under conditions of a high temp. and high humidity and in places of extremely cold weather. The magnetic recording medium which has the small coefft. of dynamic friction, the excellent traveling stability and the excellent wear resistance and durability under broad service conditions is thereby obtd.