MAGNETIC DISK DEVICE AND REFERENCE PATTERN WRITING METHOD OF THE SAME

According to one embodiment, a magnetic disk device writes a plurality of simulated reference patterns to the magnetic disk on write conditions different from each other, detects a write state of each of the simulated reference patterns, selects one of the write conditions according to detection res...

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Bibliographic Details
Main Authors TANI, Hiroshi, TAKAISHI, Kazuhiko
Format Patent
LanguageEnglish
Published 21.03.2024
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Summary:According to one embodiment, a magnetic disk device writes a plurality of simulated reference patterns to the magnetic disk on write conditions different from each other, detects a write state of each of the simulated reference patterns, selects one of the write conditions according to detection results, and writes a plurality of regular reference patterns which become criteria for predetermined processing to be executed on the magnetic disk to the magnetic disk on the selected write condition.
Bibliography:Application Number: US202318182586