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Hard disk drive head-disk interface dithering
Hard disk drive head-disk interface dithering
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机译:硬盘驱动器头盘接口抖动
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摘要
A procedure for accurately determining thermal flying height control (TFC) touchdown power associated with a head-disk interface (HDI) in a hard disk drive (HDD) involves dithering the spacing corresponding to the HDI by applying an oscillating signal. The touchdown power with the HDI dithering applied is determined and, based on that and the dithering amplitude, the touchdown power without dithering applied, as well as the back-off power, is determinable.
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