Stock material or miscellaneous articles – Magnetic recording component or stock – Thin film media
Reexamination Certificate
2006-01-30
2009-12-01
Rickman, Holly (Department: 1794)
Stock material or miscellaneous articles
Magnetic recording component or stock
Thin film media
Reexamination Certificate
active
07625645
ABSTRACT:
According to one embodiment, a patterned magnetic recording media has a magnetic recording layer and a protective layer formed on a substrate, in which the magnetic recording layer including a magnetic material patterned in tracks and a nonmagnetic material filled in between the tracks in a data area, and has a recessed portion formed in an area within 1 mm from an outer media end and extending to the media end. The recessed portion being formed 1 to 50 nm deeper than the data area.
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Hyodo Hiroyuki
Kamata Yoshiyuki
Kikitsu Akira
Yamamoto Takayuki
Kabushiki Kaisha Toshiba
Pillsbury Winthrop Shaw & Pittman LLP
Rickman Holly
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