Partial-contact head-disk interface approach for high-density recording

An isolated-pad-type slider and a narrow-trailing-edge-type slider were designed and fabricated for partial-contact head-disk interface. Evaluation results showed that friction reduction is the key point for a partial-contact interface. A small isolated pad slider exhibited reduced off-track vibrati...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2005-10, Vol.41 (10), p.3031-3033
Main Authors: Junguo Xu, Kohira, H., Tanaka, H., Saegusa, S.
Format: Article
Language:English
Subjects:
Cross-disciplinary physics: materials science
rheology
Disk recording
Exact sciences and technology
Friction
Head-disk interface
Interference
Isolation technology
Lubricants
magnetic head
Magnetic recording
Magnetism
Materials science
Other topics in materials science
partial contact
Physics
Rough surfaces
slider
Surface roughness
Testing
Vibration measurement
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Description
Summary:An isolated-pad-type slider and a narrow-trailing-edge-type slider were designed and fabricated for partial-contact head-disk interface. Evaluation results showed that friction reduction is the key point for a partial-contact interface. A small isolated pad slider exhibited reduced off-track vibration and less aggressive disk lubricant depletion. Moreover, drive tests of a narrower-trailing-edge slider showed that it has the advantage of easier transition from contact to flying.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2005.855256