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TECHNICAL PAPERS

Optimization of Proximity Recording Air Bearing Sliders in Magnetic Hard Disk Drives

[+] Author and Article Information
Matthew A. O’Hara

Maxtor Corporation, Milpitas, CA 95035

Yong Hu

Quinta Corporation, San Jose, CA 95131

David B. Bogy

Computer Mechanics Laboratory, Department of Mechanical Engineering, University of California, Berkeley, CA 94720

J. Tribol 122(1), 257-259 (Jun 08, 1999) (3 pages) doi:10.1115/1.555350 History: Received January 14, 1999; Revised June 08, 1999
Copyright © 2000 by ASME
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References

O’Hara, M. A., 1997. “Optimization of Disk Drive Components.” May Doctoral Dissertation, UC Berkeley.
Lu, S., and Bogy, D. B., 1994, “A Multi-Grid Control Volume Method for the Simulation of Arbitrary Shaped Slider Air Bearings with Multiple Recess Levels,” CML Report No. 94-016. Computer Mechanics Laboratory. University of California, Berkeley.
Hu.,  Y., Jones,  P. M., Chang,  P. T., and Bogy,  D. B., “Partial Contact Air Bearing Characteristics of Tripad Sliders for Proximity Recording,” ASME J. Tribol., 120, pp. 272–279.
Bogy,  D. B., Lu,  S., O’Hara,  M. A., and Zhang,  S., 1998, “Some Advanced Air-Bearing Design Issues for Proximity Recording,” ASME J. Tribol., 120, No. 3, pp. 566–70.
O’Hara,  M. A., Yong,  Hu., and Bogy,  D. B., 1996, “Effects of Slider Sensitivity Optimization,” IEEE Trans. Magn., Sept., 32, No. 5, Part 1, pp. 3744–6.
Bogy, D. B., Lu, S., O’Hara, M. A., and Zhang, S., 1996, “Some Advanced Air-Bearing Design Issues for Proximity Recording,” Tribology of Contact/Near-Contact Recording for Ultra High Density Magnetic Storage, The 1996 AME/STLE Tribology Conference (TRIB-Vol. 6), Bhatia, C. S., Menon, A. K., eds., New York, NY, ASME. pp. 11–16.
O’Hara,  M. A., and Bogy,  D. B., 1995, “Robust Design Optimization Techniques for Ultra-Low Flying Sliders,” IEEE Trans. Magn., Nov., 31, No. 6, Part 1, pp. 2955–7.

Figures

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Contact stiffness versus radius for original and optimized designs
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Pitch versus radius for original and optimized designs
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Fly height versus radius for original and optimized designs
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Original (dashed) and final (solid) configurations including geometric constraints for case 3
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Original (dashed) and final (solid) configurations including geometric constraints for case 2
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Original (dashed) and final (solid) configurations including geometric constraints for case 1
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Depiction of contact stiffness for proximity recording air bearings

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