Invention Grant
US08111473B2 Method to evaluate a data storage device using magnetic spacing losses
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使用磁间隙损耗评估数据存储设备的方法
- Patent Title: Method to evaluate a data storage device using magnetic spacing losses
- Patent Title (中): 使用磁间隙损耗评估数据存储设备的方法
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Application No.: US12550319Application Date: 2009-08-28
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Publication No.: US08111473B2Publication Date: 2012-02-07
- Inventor: Eric Rolf Christensen , W. Stanley Czarnecki
- Applicant: Eric Rolf Christensen , W. Stanley Czarnecki
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Quarles & Brady LLP
- Agent Dale F. Regelman
- Main IPC: G11B27/36
- IPC: G11B27/36
Abstract:
A method of evaluating the performance of a magnetic recording system, comprising measuring a first set of finite impulse response filter tap values at time t1, measuring a second set of finite impulse response filter tap values are measured at time t2, where time t2 is subsequent to time t1, and calculating an actual loss parameter using the first set of tap values and the second set of tap values. The method then compares the actual loss parameter with a total effective loss threshold.
Public/Granted literature
- US20110051274A1 METHOD TO EVALUATE A DATA STORAGE DEVICE USING MAGNETIC SPACING LOSSES Public/Granted day:2011-03-03
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