发明授权
US06903889B2 Method and apparatus for tuning a magnetoresistive bias parameter in a data storage system
失效
用于调整数据存储系统中的磁阻偏置参数的方法和装置
- 专利标题： Method and apparatus for tuning a magnetoresistive bias parameter in a data storage system
- 专利标题（中）： 用于调整数据存储系统中的磁阻偏置参数的方法和装置
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申请号： US10461558申请日： 2003-06-11
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公开(公告)号： US06903889B2公开(公告)日： 2005-06-07
- 发明人: Liu Li , Quek Leong Choo , Song Wee Teo , Myint Ngwe , Beng Wee Quak
- 申请人： Liu Li , Quek Leong Choo , Song Wee Teo , Myint Ngwe , Beng Wee Quak
- 申请人地址： US CA Scotts Valley
- 专利权人： Seagate Technology
- 当前专利权人： Seagate Technology
- 当前专利权人地址： US CA Scotts Valley
- 代理商 Kirk A Cesari
- 主分类号： G11B5/00
- IPC分类号： G11B5/00 ; G11B5/012 ; G11B20/10 ; G11B27/36
摘要：
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.