Magnetic head positioning control device, magnetic head certifier, magnetic disk certifier and head cartridge
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United States of America Patent
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Apr 25, 2006
Issued Date -
N/A
app pub date -
Dec 5, 2002
filing date -
Jan 8, 2002
priority date (Note) -
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Abstract
A piezo actuator is provided between a suspension spring and a head carriage. When a predetermined track of a magnetic disk is accessed by positioning a magnetic head in the predetermined track, the piezo actuator maintains the magnetic head in an ON track state by dynamically moving a light weight head cartridge according to a servo information or dynamically moving a head assembly in the head cartridge according the servo information.
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