Perpendicular magnetic recording medium and magnetic...

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

2005-09-13

2005-09-13

Rickman, Holly (Department: 1773)

Stock material or miscellaneous articles

Magnetic recording component or stock

Thin film media

Reexamination Certificate

active

06942936

ABSTRACT:
A medium having at least a nonmagnetic substrate, soft magnetic backing layer, soft magnetic underlayer, and perpendicular magnetic recording layer, and An oxidized layer of the soft magnetic backing layer is also formed on the soft magnetic backing layer, and the soft magnetic underlayer has a three-layered structure including a first soft magnetic layer, interlayer, and second soft magnetic layer, a crystalline orientation control layer, e.g., an Ni orientation control layer is formed between the soft magnetic underlayer and the perpendicular magnetic recording layer.

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Machine translation of JP 10-228620, Tsuboi Shindo et al., Aug. 1998.
Austrian Search and Examination Reports, dated Mar. 26, 2004 for Patent Application No. 200306009-2.
Japanese Office Action for Japanese Patent Application No. 2002-236645, dated Sep. 14, 2004.

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