Patent ID: 11894221
Assignee: JX METALS CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC H  B  C  G | IPC C  G  H

Claim 2:
3. A magnetic film for a perpendicular magnetic recording type magnetic recording medium, the magnetic film having metal phases and oxide phases, the magnetic film comprising:
from 0.1 mol % to 0.5 mol % of Bi;
at least one of 4 mol % to 45 mol % of Cr and 15 mol % to 35 mol % of Pt;
50 mol % or less of Ru; and
at least one oxide of at least one element selected from the group consisting of Co, Cr, Si, Ti, and B, wherein said at least one oxide has a volume fraction of 12% to 39%,
the balance containing Co and inevitable impurities,
wherein the magnetic film is formed by performing sputtering using the sputtering target according to claim 1.