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RISFlying Height Measurement on Al2O3 Film of a Magnetic Slider
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Flying height has been successfully measured on the Al2 O3 film of a magnetic slider by using a specially developed ellipsometer, a reflectometer, and an intensity based interferometric flying ...
Predicting the Coefficient of Friction in Sliding-Rolling Contacts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper deals with the development of a dimensionless empirical formula for calculating the coefficient of friction in sliding-rolling steel on steel contacts under different operating conditions ...
A Model of Slider/Disk Interface Wear for Proximity Recording
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Slider/disk interface wear is inevitable for ultra-low flying hard disk drives and is the central issue for proximity recording. While disk wear has been addressed in the literature, slider ...
The Spin-Off of Particles on a Magnetic Disk
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A spin-off ratio is used in this study to assess the repelling capability of a disk surface to thermal asperity for MR drives. A test methodology is described and a simple model is developed. ...
A Theoretical Analysis of Breakaway Friction Measurement
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The transient response of an I-beam friction measurement system to a constant disk acceleration is theoretically analyzed. The friction measurement system is modeled as a single-degree-of-freedom ...
The Development and Implementation of Discrete Texture for the Improvement of Tribological Performance
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The bearing area of conventional texture on magnetic recording disk surfaces shows a tendency of increase with a decrease in surface height. This is believed to be a major reason for the ...
The Determination of Flash Temperature in Intermittent Magnetic Head/Disk Contacts Using Magnetoresistive Heads: Part II—Experimental Investigation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The flash temperature during intermittent head/disk contacts was measured using specially fabricated magnetoresistive heads. Microasperities were intentionally created on disk substrates, and ZrO2 ...
The Determination of Flash Temperature in Intermittent Magnetic Head/Disk Contacts Using Magnetoresistive Heads: Part I—Model and Laser Simulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The feasibility of using a magnetoresistive magnetic head to determine the flash temperature of intermittent magnetic head/disk contacts is investigated. A finite difference model is developed to ...
Limitations and Corrections of Optical Profilometry in Surface Characterization of Carbon Coated Magnetic Recording Disks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The thickness of a thin absorbing carbon step on a strongly absorbing magnetic layer is measured using contact stylus and noncontact optical profilometer instrumentation, The dependence of optical ...
Evaluations of Diamond-Like-Carbon Film Optical Constants and Their Effects on Flying Height Determination
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The accuracy in flying height determination of a film coated magnetic slider relies on the availability of accurate optical property values of each film. In view of this, the index of refraction ...