Disk drive employing velocity insensitive servo burst pattern
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United States of America Patent
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May 29, 2012
Grant Date -
N/A
app pub date -
May 21, 2010
filing date -
May 21, 2010
priority date (Note) -
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Abstract
A disk drive is disclosed comprising a head actuated over a disk comprising a plurality of servo sectors that define a plurality of servo tracks. The servo sectors comprise a plurality of servo bursts including a first servo burst, a second servo burst following the first servo burst and offset radially by approximately one half of a servo track from the first servo burst, a third servo burst following the second servo burst and offset radially by approximately one full servo track from the second servo burst, and a fourth servo burst following the third servo burst and offset radially by approximately one half of a servo track from the third servo burst. A PES is generated form the servo bursts that is substantially insensitive to a radial velocity of the head.
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