Ultrathin protective overcoats on magnetic hard disks

Composition, structure and protective properties of 50-100 /spl Aring/ thick hard disk overcoats prepared by DC magnetron sputtering and ion beam deposition were examined. Ion beam coatings were shown to possess superior properties as compared to the sputtered carbon films by nanoscale scratching an...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1998-07, Vol.34 (4), p.1717-1719
Main Authors: Anoikin, E.V., Ng, G.S., Yang, M.M., Chao, J.L., Elings, J.R., Brown, D.W.
Format: Article
Language:English
Subjects:
Amorphous magnetic materials
Applied sciences
Atomic force microscopy
Corrosion
Electronics
Exact sciences and technology
Hard disks
Ion beams
Magnetic devices
Magnetic materials
Other magnetic recording and storage devices (including tapes, disks, and drums)
Protection
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Sputtering
Thickness measurement
Wavelength measurement
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Summary:Composition, structure and protective properties of 50-100 /spl Aring/ thick hard disk overcoats prepared by DC magnetron sputtering and ion beam deposition were examined. Ion beam coatings were shown to possess superior properties as compared to the sputtered carbon films by nanoscale scratching and electrochemical corrosion techniques.
ISSN:0018-9464
1941-0069
DOI:10.1109/20.706682