Perpendicular magnetic recording medium and fabrication...

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

2005-07-05

2005-07-05

Bernatz, Kevin M. (Department: 1773)

Stock material or miscellaneous articles

All metal or with adjacent metals

Having magnetic properties, or preformed fiber orientation...

C428S656000, C428S663000, C428S666000, C428S667000, C428S668000, C428S678000, C428S216000, C428S336000, C428S690000

Reexamination Certificate

active

06913837

ABSTRACT:
A perpendicular magnetic recording medium and method thereof, includes a nonmagnetic substrate; a soft magnetic under layer; an intermediate layer; a bilayer magnetic recording layer; a protective layer; and a liquid lubricant layer. According to a following order, the soft magnetic under layer, the intermediate layer, the bilayer magnetic recording layer, the protective layer, and the liquid lubricant layer are sequentially stacked on the nonmagnetic substrate. The bilayer magnetic recording layer includes a first magnetic layer including a CoCr alloy crystalline film, and a second magnetic layer including a rare earth-transition metal alloy noncrystalline film.

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Derwent Abstract Translation of JP 62-046449-A (Derwent Acc. No. 1987-097991).
JPO Abstract Translation of JP 02-227814-A (Clipped Image No. JP402227814A).
English Translation of JP 02-227814-A (Doc. ID:PTO 02-3726).
Derwent Abstract Translation of JP 2002-025031-A (Doc. ID: JP 2002025031 A).
Machine Translation of JP 2002-025031-A.

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