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Disc drive head-media spacing modeling and applications
Disc drive head-media spacing modeling and applications
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机译:磁盘驱动器磁头-介质间距的建模和应用
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摘要
A method and apparatus for disc drive modeling to determine head-to-media spacing subject to disc media topography, roughness and waviness, is disclosed. More particularly, an equation describing head-to-media spacing associated with roughness and waviness of a disc media surface is described. A process for simulating a head traveling over a reference disc media surface is used to implement such an equation. This simulation results in an air bearing transfer function for a spectral density, which is convolved with a power spectral density function for a disc media surface under test. Such a result may be used to predict glide avalanche for the head and the disc media under test.
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