Patent ID: 6900962

Claim:
A base deck for a data storage device of 3.5 inch form factor size having nominal outermost dimensions of about 146 millimeters (mm) in length and about 101.6 mm in width, the base deck comprising a base surface configured to support a single spindle motor configured to rotate at least one data storage disc at a nominal operational speed about a disc axis, a disc shroud surface which extends from the base surface substantially parallel with the disc axis and adjacent an outermost perimeter of the at least one data storage disc, and a lip surface which extends from the shroud surface to an outermost edge of the base deck, wherein the lip surface is configured to compressingly engage a gasket seal to form a sealed interior environment, and wherein the lip surface has a minimum extent of at least 7.6 millimeters along a line extending from the disc axis to the outermost edge of the base deck perpendicular to said length.