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US 2023/0227964 A1Published application
Magnetic Film and Perpendicular Magnetic Recording Medium
AssigneeJX Nippon Mining & Metals Corporation
InventorsManami Masuda, Masayoshi Shimizu, Yasuyuki Iwabuchi
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Abstract
Provided is a sputtering target, the sputtering target containing 0.05 at % or more of Bi and having a total content of metal oxides of from 10 vol % to 60 vol %, the balance containing at least Co and Pt.
Claims4
A magnetic film for a perpendicular magnetic recording type magnetic recording medium, the magnetic film containing 0.5 at % or more of Bi and having a total content of metal oxides of from 10 vol % to 60 vol %, the balance containing at least Co and Pt, wherein the magnetic film does not contain Mn.
Dependencies are inferred from the claim text.