Patent ID: 6771461
Filing Date: 2004-08-03
Classification: G11B

Abstract:
A hub and back iron assembly for a disk drive, where the disk drive has a spindle and at least one disk, comprising:an annular hub having an inner side wall proximate the spindle; an outer side wall proximate the at least one disk; a top surface; and a bottom surface having inner and outer notches with a separating member therebetween, wherein the inner notch accommodates a stator, the outer notch accommodates a back iron and the separating member has an outer sidewall; and a back iron disposed within the outer notch of the hub, wherein the back iron has an inner surface proximate the spindle and coupled to the outer surface of the separating member of the hub, and an outer side wall proximate to the at least one disk and not coupled to the outer side wall of the hub.