US 7,064,922 B1 · Disk drive with disks having different disk stiffness, thickness and material combinations

Abstract

An aspect of the invention can be regarded as a disk drive that includes a disk drive base and a spindle motor hub rotatably coupled to the disk drive base. The disk drive further includes a first disk disposed about the spindle motor hub and having a first disk stiffness. The disk drive further includes a second disk disposed about the spindle motor hub and having a second disk stiffness different than the first disk stiffness. According to another aspect of the present invention, the second disk has a second disk thickness different than a first disk thickness. According to another aspect of the present invention, the second disk is formed of a second material having a second material stiffness different than a first material stiffness.

Claims3

Dependent claims

A disk drive comprising:

a disk drive base;
a spindle motor hub rotatably coupled to the disk drive base;
a first disk disposed about the spindle motor hub and formed of a first material having a first material stiffness;
and
a second disk disposed about the spindle motor hub and formed of a second material having a second material stiffness different than the first material stiffness;
wherein the first disk has a first disk thickness, the second disk has a second disk thickness the same of the first disk thickness.

3 more elements

Dependencies are inferred from the claim text.

Disk drive with disks having different disk stiffness, thickness and material combinations

Life of this patent

Disk drive with disks having different disk stiffness, thickness and material combinations

Life of this patent

Abstract

Claims3