CO-FE ALLOY FOR SOFT MAGNETIC FILMS, SOFT MAGNETIC FILM, AND PERPENDICULAR MAGNETIC RECORDING MEDIUM

Disclosed is a Co-Fe alloy for soft magnetic films used in perpendicular magnetic recording media, etc., which maintains high soft magnetic properties and has excellent weather resistance. Disclosed is a Co-Fe alloy for soft magnetic films, which is a Co-Fe alloy the composition formula of which is...

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Bibliographische Detailangaben
Hauptverfasser:	FUJIMOTO MITSUHARU, UENO HIDE, UENO TOMONORI, FUKUOKA JUN
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PHYSICS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Disclosed is a Co-Fe alloy for soft magnetic films used in perpendicular magnetic recording media, etc., which maintains high soft magnetic properties and has excellent weather resistance. Disclosed is a Co-Fe alloy for soft magnetic films, which is a Co-Fe alloy the composition formula of which is expressed at atomic ratio as ((Co100−X-FeX)100−Y-NiY)100−(a+b+c)-Mla-M2b-Tic, where 5 X 80, 0 Y 25, 2 a 6, 2 b 10, and 0.5 c 10, the remainder of which is composed of unavoidable impurities, and wherein the element M1 in the aforementioned composition formula is one or two or more elements selected from (Zr, Hf, Y), and the element M2 in the aforementioned composition formula is one or two or more elements selected from (Ta, Nb).