Air bearing slider rail design with trumpet-shaped rail portion

Details Air bearing slider rail design with trumpet-shaped rail portion Air bearing slider rail design with trumpet-shaped rail portion

1988-09-07

1990-10-02

Severin, David J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360104, G11B 560, G11B 1732

Patent

active

049611216

ABSTRACT:
An air bearing slider for supporting a transducer is provided with a pair of rails having an air bearing surface with a continuously curved part with its greatest width at the leading end of the slider. In the rear area of the slider the air bearing surfaces are of equal width. The invention furthermore provides a mechanical grinding process using a grinding wheel having two grinding disks separated by a spacer disk and provided with bevelled grinding surfaces on its inner sides. Either by advancing the turning grinding wheel parallel to the surface of the slider from the trailing towards the leading end up to a certain point or in accordance with another embodiment by tilting the slider slightly towards the advance motion and continuously advancing the grinding wheel, the continuously curved air bearing surface portions are provided in a simple and efficient manner.

REFERENCES:
patent: 4333229 (1982-06-01), Ellenberger
patent: 4473855 (1984-09-01), Plotto et al.
patent: 4475135 (1984-10-01), Warner et al.
patent: 4555739 (1985-11-01), Le Van et al.
patent: 4673996 (1987-06-01), White
patent: 4734803 (1988-03-01), Nishihira

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