A disk unit for reading information from or writing information to a disk by means of a head supported by an actuator includes a shroud having a face perpendicular to a surface of the disk and opposing a peripheral edge of the disk, and a spoiler having a given height in a direction perpendicular to the surface of the disk and extending above the surface of the disk from the peripheral edge generally toward a center of the disk.

 
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< Disk drive having a disk including a servo burst pattern in which a phase difference between radially adjacent servo bursts is less than 180 degrees

< Recording tape cartridge load and lock method

> Disk spacer with gradually deepening groove formed only in a middle portion of an outer circumferential surface thereof

> Disk apparatus having an improved clamp structure

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