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US 2022/0036920 A1Published application
Base for magnetic recording medium, magnetic recording medium, and magnetic storage apparatus
AssigneeShowa Denko K.K.
InventorsWataru SATO, Hideki TOMOSUE, Norihisa WATANABE
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Abstract
A base for a magnetic recording medium, includes an aluminum alloy substrate, and a nickel alloy film provided on at least one principal surface of the aluminum alloy substrate. The nickel alloy film includes Mo in a range of 0.5 wt % to 3 wt %, P in a range of 11 wt % to 15 wt %, and Al in a range of 0.001 wt % to 0.1 wt %.
Claims11
A base for a magnetic recording medium, comprising:
- an aluminum alloy substrate;
- and
- a nickel alloy film provided on at least one principal surface of the aluminum alloy substrate,
- wherein the nickel alloy film includes Mo in a range of 0.5 wt % to 3 wt %, P in a range of 11 wt % to 15 wt %, and Al in a range of 0.001 wt % to 0.1 wt %.
1 more element
Dependencies are inferred from the claim text.