Magnetic recording medium formatted with ROM and RAM regions

Details Magnetic recording medium formatted with ROM and RAM regions Magnetic recording medium formatted with ROM and RAM regions

2010-03-24

2011-12-13

Negron, Daniell L (Department: 2627)

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

CG9BS005026, CG9BS020031

Reexamination Certificate

active

08077416

ABSTRACT:
A magnetic recording medium has a RAM region and a ROM region. The RAM region includes a plurality of first tracks each having a first magnetic portion. The first magnetic portions in adjacent tracks are separated from each other. The ROM region includes a plurality of second tracks each having a second magnetic portion. A width of the second magnetic portions in a direction perpendicular to a track direction of the first tracks is larger than that of the first magnetic portions in the perpendicular direction.

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