Stock material or miscellaneous articles – Magnetic recording component or stock – Thin film media
Reexamination Certificate
2011-01-04
2011-01-04
McNeil, Jennifer C (Department: 1784)
Stock material or miscellaneous articles
Magnetic recording component or stock
Thin film media
C428S836200, C428S836300
Reexamination Certificate
active
07862913
ABSTRACT:
An improved structure for the construction of perpendicular recording media is disclosed. The structure includes a perpendicular recording layer with at least two oxide sublayers or a lower sublayer of a non-oxide. One structure includes an upper sublayer comprised of a Silicon-oxide, while a lower sublayer is comprised of a Tantalum-oxide. The structures provide for increased coercivity and corrosion resistance.
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Bian Xiaoping
Dai Qing
Do Hoa
Ikeda Yoshihiro
Margulies David
Gold Darren
Hitachi Global Storage Technologies - Netherlands B.V.
Krupicka Adam C
McNeil Jennifer C
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