Patent ID: 7655329

Claim:
A magnetic recording/reproduction apparatus comprising: a chassis; a spindle attached inside the chassis; a patterned magnetic recording media mounted on the spindle; a slider having a read/write head configured to fly above the patterned magnetic recording media; and a ramp mechanism which allows the read/write head to unload, wherein the patterned magnetic recording media comprises a magnetic recording layer and a protective layer formed on a substrate, in which the magnetic recording layer includes a magnetic material patterned in tracks and a nonmagnetic material filled in between the tracks in a data area, and a recessed portion formed in an area within 1 mm from an outer media end and extending to the media end, and the recessed portion is 1 to 50 nm deeper than the data area, and wherein a thickness of a magnetic layer in the recessed portion is at least 1 nm smaller than a thickness of the magnetic layer in the data area.