Method and apparatus for tuning a magnetoresistive bias parameter in a data storage system

Method and apparatus for tuning a magnetoresistive bias parameter in a data storage system

A method of tuning a bias parameter for a magnetoresistive head in a data storage system includes the step of identifying, from multiple possible bias parameter values, a smallest bias parameter value for the magnetoresistive head which both maintains a bit error rate above a predetermined threshold...

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Hauptverfasser: LI LIU, NGWE MYINT, CHOO QUEK LEONG, QUAK BENG WEE, TEO SONG WEE
Format: Patent
Sprache:eng
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INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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creator LI LIU
NGWE MYINT
CHOO QUEK LEONG
QUAK BENG WEE
TEO SONG WEE
description A method of tuning a bias parameter for a magnetoresistive head in a data storage system includes the step of identifying, from multiple possible bias parameter values, a smallest bias parameter value for the magnetoresistive head which both maintains a bit error rate above a predetermined threshold bit error rate, and which satisfies a second criteria. The method then includes the step of setting an operational bias parameter value for the magnetoresistive head to the identified smallest bias parameter value. Also disclosed are data storage systems, or controllers which are connectable to or included with data storage systems, configured to implement the methods.
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The method then includes the step of setting an operational bias parameter value for the magnetoresistive head to the identified smallest bias parameter value. 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subjects INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
title Method and apparatus for tuning a magnetoresistive bias parameter in a data storage system
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