Perpendicular magnetic discrete track recording disk

Details Perpendicular magnetic discrete track recording disk Perpendicular magnetic discrete track recording disk

2006-12-12

2006-12-12

Olsen, Allan (Department: 1763)

Etching a substrate: processes

Forming or treating article containing magnetically...

C216S067000, C216S052000, C216S088000, C264S106000, C264S320000

Reexamination Certificate

active

07147790

ABSTRACT:
A method of forming a discrete track recording pattern on a soft magnetic underlayer of a perpendicular magnetic recording disk. In one embodiment, the soft magnetic underlayer is continuous throughout the discrete track recording pattern.

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