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US 6,154,438 AGranted
Storage disk having surface variations that vary minimally in height relative to a datum
AssigneeSeagate Technology LLC
InventorsWilliam J. O'Hollaren, Neil Deeman, Gennady G. Gauzner
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Abstract
A storage media is provided. The surface of the media is made to vary by an insubstantial amount relative to a datum to provide for improved flyability of a head over the surface.
Claims3
A storage disk comprising:
- a center;
- an outer edge disposed radially about said center;
- a datum;
- a surface disposed between said center and said outer edge;
- wherein over said surface said surface varies in a height relative to said datum by an insubstantial amount, and
- wherein said height relative to said datum varies by less than 8 um over said surface.
3 more elements
An information storage system comprising:
- a rotating storage media, said media comprising:
- a center;
- an outer edge disposed radially about said center;
- a datum;
- and
- a surface disposed between said center and said outer edge;
- wherein said surface varies in height by an insubstantial amount relative to said datum, and wherein said height relative to said datum varies by less than 8 um over said surface.
4 more elements
An information storage system comprising:
- a rotating storage media, said media comprising:
- a center;
- an outer edge disposed radially about said center;
- a datum;
- a surface disposed between said center and said outer edge;
- wherein said surface varies in height by an insubstantial amount relative to said datum;
- and
- at least one head for accessing information at said surface, wherein said head accesses said information at said surface at a point that is less than or equal to 1.5 mm from said outer edge.
5 more elements
Dependencies are inferred from the claim text.