ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISKS, METHOD FOR PRODUCING SAME, AND MAGNETIC DISK WHICH USES SAID ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISKS

There are provided: an aluminum alloy substrate for a magnetic disk, in which the product of the sheet thickness and loss factor of the substrate is 0.7 ? 10-3 or more; a method for producing the aluminum alloy substrate for a magnetic disk; and a magnetic disk, in which an electroless Ni-P plating...

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Bibliographische Detailangaben
Hauptverfasser:	HATAKEYAMA, Hideyuki, YONEMITSU, Makoto, NAKAMURA Toshihiro, SAKAMOTO Ryo, KITAWAKI, Kotaro, NAKAYAMA Takashi
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER METALLURGY PHYSICS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	There are provided: an aluminum alloy substrate for a magnetic disk, in which the product of the sheet thickness and loss factor of the substrate is 0.7 ? 10-3 or more; a method for producing the aluminum alloy substrate for a magnetic disk; and a magnetic disk, in which an electroless Ni-P plating treatment layer and a magnetic layer formed thereon are disposed on a surface of the aluminum alloy substrate for a magnetic disk. Figure 1