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

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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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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creator HATAKEYAMA, Hideyuki
YONEMITSU, Makoto
NAKAMURA Toshihiro
SAKAMOTO Ryo
KITAWAKI, Kotaro
NAKAYAMA Takashi
description 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
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subjects 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
title ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISKS, METHOD FOR PRODUCING SAME, AND MAGNETIC DISK WHICH USES SAID ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISKS
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