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US 2024/0018633 A1Published application
Aluminum alloy disc blank for magnetic disc and magnetic disc
AssigneesUacj Corporation, Furukawa Electric Co., Ltd.
InventorsKotaro KITAWAKI, Hideyuki HATAKEYAMA, Wataru KUMAGAI, Ryo SAKAMOTO
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Abstract
An aluminum alloy disc blank for a magnetic disc made of an aluminum alloy containing Mg: 3.40 to 3.90 mass % with the balance being A1 and inevitable impurities, wherein a conductivity of the aluminum alloy disc blank is 36.0% IACS or higher.
Claims5
An aluminum alloy disc blank for a magnetic disc made of an aluminum alloy comprising Mg:
- 3.40 to 3.90 mass % with a balance being Al and inevitable impurities, wherein a conductivity of the aluminum alloy disc blank for a magnetic disc is 36.0% IACS or higher.
Dependencies are inferred from the claim text.