Patterned magnetic recording media, stamper for manufacture...

Details Patterned magnetic recording media, stamper for manufacture... Patterned magnetic recording media, stamper for manufacture...

2009-04-06

2010-02-02

Rickman, Holly (Department: 1794)

Stock material or miscellaneous articles

Magnetic recording component or stock

Thin film media

C360S135000

Reexamination Certificate

active

07655329

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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Japanese Office Action dated Jul. 21, 2009 for Appln. No. 2005-024160.

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