Apparatus and method for texturing rigid-disk substrates

Details Apparatus and method for texturing rigid-disk substrates Apparatus and method for texturing rigid-disk substrates

1996-06-07

1998-10-13

Eley, Timothy V.

Abrading

Abrading process

Utilizing fluent abradant

451 59, 451 63, 451302, 451307, B24B 2112

Patent

active

058204466

ABSTRACT:
An apparatus for variably texturing a first surface of a rigid-disk substrate having an annular inner recording head-landing zone and an annular outer data zone surrounding the head-landing zone is characterized by a stepped force-exerting cylindrical stepped roller which forces a movable tape having an abrasive containing slurry on its surface to variably texture the zones of the surface of the substrate. A method of variably texturing a surface of a rigid-disc substrate includes the steps of providing a movable abrasive-containing tape between the stepped cylindrical roller and disk substrate to force the tape against the substrate with greater pressure on a head landing zone than on a data zone.

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