Patent ID: 6663938
Filing Date: 2003-12-16
Classification: G11B,Y10T

Abstract:
A substrate for a data storage medium comprising a data zone for storing data and a contact zone textured for contact with a data transducing head maintained spaced apart from the data zone by an air bearing during use of the data storage medium, said substrate comprising:a substrate body having a substantially planar substrate surface including a data zone and a contact zone, said substrate body adapted for movement substantially parallel to the substrate surface in a first direction with respect to a data transducing head, said substrate surface made of glass; and a plurality of texturing features formed in the contact zone and projected outwardly from the substrate surface, each of the texturing features having bell-shaped profiles taken in planes substantially perpendicular to the substrate surface, and wherein said texturing features further have substantially circular profiles in the substrate surface with diameters of at least about three microns.