Browse Prior Art Database

Spacer Ring with Compliant Cavity or Groove for Tuning Disk Mode Frequencies Disclosure Number: IPCOM000031095D
Publication Date: 2004-Sep-10

Publishing Venue

The Prior Art Database


A disk spacer ring in a hard disk drive has a stress distributing cavity to reduce the stress concentration on the surface of adjacent disks. The cavity comprises a single, completely circumferential annular slot located in the perimeter side wall of the ring.