Magnetic recording media, substrate for magnetic recording...

Details Magnetic recording media, substrate for magnetic recording... Magnetic recording media, substrate for magnetic recording...

2006-06-28

2009-08-25

Olson, Jason C (Department: 2627)

Dynamic magnetic information storage or retrieval

Record medium

Disk

C360S015000, C428S826000, C428S848100

Reexamination Certificate

active

07580223

ABSTRACT:
According to one embodiment, a magnetic recording media includes a substrate having recording tracks and separating regions separating the recording tracks, the separating regions having patterns of protrusions and recesses formed therein, and a recording film deposited on the substrate, in which a difference in height between a top of the recording track and a top of the separating region is 2 nm or more and 7 nm or less, and a difference in height between the top of the recording track and a bottom of the separating region is 10 nm or more.

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