The Effects of Parking Time, Temperature, and Slider Position on Lubricant Migration in Hard Disk Drives

The Effects of Parking Time, Temperature, and Slider Position on Lubricant Migration in Hard Disk Drives

Drive-level lubricant migration tests were carried out to study the effects of parking time, temperature, and slider position on lubricant migration in a hard disk drive. The change in head medium spacing after parking the head was determined from read-back signal measurements using the Wallace equa...

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Veröffentlicht in:IEEE transactions on magnetics 2014-11, Vol.50 (11), p.1-4
Hauptverfasser: Youyi Fu, Brunner, Ralf, Jih-Ping Peng, Apte, Julia, McFadyen, James, Talke, Frank E.
Format: Artikel
Sprache:eng
Schlagworte:
Cavity resonators
Head
Lubricants
Magnetic heads
Magnetism
Temperature measurement
Tribology
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container_issue 11
container_start_page 1
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creator Youyi Fu
Brunner, Ralf
Jih-Ping Peng
Apte, Julia
McFadyen, James
Talke, Frank E.
description Drive-level lubricant migration tests were carried out to study the effects of parking time, temperature, and slider position on lubricant migration in a hard disk drive. The change in head medium spacing after parking the head was determined from read-back signal measurements using the Wallace equation. Time-of-flight secondary ion mass spectrometry was used to correlate the change in head medium spacing with the amount of lubricant migrating to the air-bearing surface during parking. The change in head medium spacing as a function of parking time, temperature, and slider position is determined.
doi_str_mv 10.1109/TMAG.2014.2318677
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subjects Cavity resonators
Head
Lubricants
Magnetic heads
Magnetism
Temperature measurement
Tribology
title The Effects of Parking Time, Temperature, and Slider Position on Lubricant Migration in Hard Disk Drives
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