ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISKS, METHOD FOR PRODUCING SAME, AND MAGNETIC DISK USING THIS ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISKS

• Main Authors: NAKAYAMA, Takashi, HATAKEYAMA, Hideyuki, TAKIGUCHI, Kouichiro, YONEMITSU, Makoto, MURATA, Takuya, IMAKAWA, Kimie, FUJII, Yasuo, KITAWAKI, Kotaro
• Format: Patent
• Language: English
• Published: 03.12.2020
• 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

Provided are: an aluminum alloy substrate for a magnetic disk, including an aluminum alloy including 0.4 to 3.0 mass % of Fe with the balance of Al and unavoidable impurities; a method for producing the aluminum alloy substrate for a magnetic disk; and a magnetic disk in which an electroless Ni-P pl...