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TECHNICAL PAPERS

Study of Generation Mechanism of Three-Body Particles in Linear Tape Recording

[+] Author and Article Information
Baogui Shi

Fax: +44 (0)121-359-0156

J. L. Sullivan, M. A. Wild, S. O. Saied

Surface Science Research Group School of Engineering and Applied Science Aston University Birmingham, B4 7ET, United Kingdom

J. Tribol 127(1), 155-163 (Feb 07, 2005) (9 pages) doi:10.1115/1.1843156 History: Received April 08, 2003; Revised June 08, 2004; Online February 07, 2005
Copyright © 2005 by ASME
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References

Figures

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Schematic diagram of two rails and slots in the perpendicular direction to the tape moving direction
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Schematic diagram of two rails and enlarged, one channel of a LTO head
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The image shows PTR measurement method for unused head
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AFM images of head pole area at condition of 10°C 10% RH (30 μm×30 μm). Other conditions images are 15 μm×15 μm scale.
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AFM images of head ceramic wear after different passes in different conditions (15 μm×15 μm)
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PTR of LTO heads cycling with tape (a) 40°C, RH 80% (NWC 35.5) (b) 22°C, RH40% (NWC 7.5) (c) 40°C, RH15% (NWC 6.7) (d) 10°C, RH10% (NWC 1.0)
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AFM three-dimensional images of LTO heads unused, 100 passes, 1000 passes, 5000 passes (from top to bottom) at 40 deg, 80% condition (NWC 35.5)
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The typical Ti 2p core-level XPS peaks of TiO2 and TiC existing in the same AlTiC sample
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Ti 2p photoelectorn peaks (a) Boiled AlTiC sample for 30 h in de-ionized water (2 mm×3 mm); (b) Virgin AlTiC (2 mm×3 mm); (c) Pure AlTiC without TiO2(2 mm×3 mm); (d) Unused LTO head ceramic (600 μm diameter); (e) Head after RH10%, 10°C, 1000 km cycling (600 μm); (f ) Head after RH15%, 40°C, 1000 km cycling (600 μm); (g) Head after RH40%, 22°C, 1000 km cycling (600 μm); (h) Head after RH80%, 40°C, 1000 km cycling (600 μm); (i) Boiled real LTO head for 30 h (600 μm).
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The atomic ratio of TiO2 to TiC on the surface of heads with water content increases corresponding to four 1000 km tape cycling conditions in Table 3
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AFM image of unused AlTiC sample
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AFM image of AlTiC sample boiled in de-ionized water for 30 h
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Three-body particles present on the thin-film region after cycling with tape at 40°C, 15%RH (10 μm×10 μm) (a) 100 passes pole area (b) 5000 passes pole area.

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