3816 Understanding to Read/Write Signal Modulation Due to Lube Droplet at Head Disk Interface
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概要
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To understand the cause of read/write error due to lube accumulation, a model to simulate the slider's response to "soft contact", which can occur between a lubricant droplet on the disk and a slider, was developed. The contact impact model is based on the water-hammer pressure model with an additional damping force, where the wave-shock pressure is assumed to function as the soft contact pressure, and the damping force defines the damping characteristics of the impact which are due to the lubricant's high viscosity. The typical read/write signal modulation due to slider/droplet contact can be described well with the simulated flying height response to soft contact between a lubricant droplet and a slider.
- 2008-08-02
著者
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Li Jianhua
Hitachi Ltd. Central Research Laboratory Storage Technology Research Center
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Li Jianhua
Central Research Laboratory Hitachi Ltd.
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XU Junguo
Hitachi, Ltd., Central Research Laboratory, Storage technology research center
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Xu Junguo
Hitachi Ltd. Central Research Laboratory Storage Technology Research Center
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Xu Junguo
Central Research Laboratory Hitachi Ltd.
関連論文
- HDI-01 "DAMPING SLIDER" AIR-BEARING DESIGN CONCEPTS AND SLIDER DEVELOPMENT(Head/Disk Interface and Tribology I,Technical Program of Oral Presentations)
- 3816 Understanding to Read/Write Signal Modulation Due to Lube Droplet at Head Disk Interface