Patent ID: 6307706
Filing Date: 2001-10-23
Classification: G11B

Abstract:
A method of populating a hub of a disc drive spindle motor with a disc stack having an odd number of data storage discs, the method occurring prior to assembly of the disc stack and comprising steps of:(a) determining a center position of the hub;(b) determining a position of a first disc to be substantially at the center position of the hub;(c) arranging the position of additional pairs of discs on the hub so that each additional pair includes a top disc positioned above the first disc and a bottom disc positioned below the first disc, the top and bottom discs each positioned substantially equidistant from the first disc, and each disc spaced from each adjacent disc by a predetermined distance;(d) determining a maximum number of discs that can fit on the hub given the position of the first disc and the predetermined spacing between adjacent discs; and(e) repeating the arranging step (c) until the maximum number of discs is reached.