A method of forming a disc pack for use in a disc drive is provided. The
method includes forming at least one alignment feature between an inner
diameter and an outer diameter of each of a plurality of discs. The at
least one alignment feature of a first disc of the plurality of discs and
the at least one alignment feature of a second disc of the plurality of
discs are utilized to substantially vertically align servo patterns on
the first disc with servo patterns on the second disc. A disc pack having
discs that include alignment features for aligning servo patterns on the
discs is also provided.