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US6130793A Thermal asperity detection method, thermal asperity compensation method, magnetic disk unit and retry method therefor 失效
热凹凸检测方法,热凹凸补偿法,磁盘单元及其重试法

Thermal asperity detection method, thermal asperity compensation method,
magnetic disk unit and retry method therefor
摘要:
A thermal asperity detection method includes the steps of (a) converting an analog signal reproduced from a magnetic recording medium into a digital signal using an analog-to-digital converter, (b) detecting thermal asperity based on the digital signal, and (c) automatically recognizing and managing detection of the thermal asperity by the step (b) by firmware.
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