Implementing enhanced track following during read back using head asymmetry metrics in hard disk drives

Implementing enhanced track following during read back using head asymmetry metrics in hard disk drives

A method, apparatus, and system are provided for implementing track following using signal asymmetry metrics monitored during read back in hard disk drives (HDDs). Signal asymmetry metrics monitored during read back are used together with a position error signal (PES) to correct and guide the positi...

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Hauptverfasser: Galbraith, Richard Leo, Wood, Roger William, Taratorin, Alexander, Hanson, Weldon Mark, Nichols, Mark A
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Sprache:eng
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INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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creator Galbraith, Richard Leo
Wood, Roger William
Taratorin, Alexander
Hanson, Weldon Mark
Nichols, Mark A
description A method, apparatus, and system are provided for implementing track following using signal asymmetry metrics monitored during read back in hard disk drives (HDDs). Signal asymmetry metrics monitored during read back are used together with a position error signal (PES) to correct and guide the position of a read sensor with respect to a written track in the HDD.
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subjects INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
title Implementing enhanced track following during read back using head asymmetry metrics in hard disk drives
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