Perpendicular magnetic recording medium and magnetic...

Details Perpendicular magnetic recording medium and magnetic... Perpendicular magnetic recording medium and magnetic...

2005-12-21

2010-02-23

Rickman, Holly (Department: 1794)

Stock material or miscellaneous articles

Magnetic recording component or stock

Thin film media

Reexamination Certificate

active

07666531

ABSTRACT:
At least three underlayers, i.e., a first underlayer containing, as a main component, at least one element selected from Ag, Ir, Ni, Pd, Pt, Rh, Hf, Re, Ru, Ti, Ta, Zr, Mg, and Al, a second underlayer containing Mg or Al and Si, and a third underlayer containing, as a main component, at least one element selected from Pt, Pd, Ru, Rh, Co, and Ti, are formed between a substrate and magnetic recording layer.

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