Slider for use in glide head device and methodology for fabricat

Details Slider for use in glide head device and methodology for fabricat Slider for use in glide head device and methodology for fabricat

1997-04-07

1999-08-17

Larkin, Daniel S.

Measuring and testing

Surface and cutting edge testing

Roughness

G01B 528

Patent

active

059396245

ABSTRACT:
A glide head device for attachment to a flexure and for operation with a test system to detect a presence of asperities on a moving surface includes a slider constructed as a rigid body that is adapted to be suspended from the flexure and a transducer operatively associated with the slider. The slider's rigid body includes an air bearing surface operative to be oriented in facing relation to the moving surface when in an operative state and a sidewall margin area adjacent the trailing edge which is microfinished to a selected Ra value, such as 200 angstroms. A glide head assembly and a test device incorporating such a glide head device are also provided.

REFERENCES:
patent: 5086360 (1992-02-01), Smith et al.
patent: 5166847 (1992-11-01), Zak
patent: 5499153 (1996-03-01), Uemura et al.
Jeong, T.G. and D.B. Bogy. "Natural Frequencies of Sliders and Transducers Used to Detect Slider-Disk Contacts", IEEE Transactions on Magnetics, vol. 25, No. 5. Sep. 1989: pp. 3725-3727.
Wallash, A. "Reproduction of Slider Vibrations During Head/Disk Interactions Using PZT Sensors". IEEE Transactions on Magnetics, vol. 24, No. 6. Nov. 1988: pp. 2763-2765.
Jorgensen, Finn. The Complete Handbook of Magnetic Recording, 4th ed. New York: McGraw-Hill Companies, 1996. pp. 383-388.

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