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Evaluation of Test Procedures for Determining Servo Compatibility of Heads and Media in Magnetic Disk Drives Priyadarshee D. Mathur and William C. Messner, Member, I
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18

August 2024

2024/2025

A+
H IGH-DENSITY storage on magnetic disk drives requires increasing both the linear bit density and the track density on the recording medium. Currently, the recorded transitions, henceforth loosely referred to as the bits, are approximately ten times wider in the radial (cross-track) direction than they are in the circumferential (downtrack) direction. The National Storage Industry Consortium (NSIC) estimates that the bit aspect ratio (BAR) will approach one-to-one as the industry tries ...
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