<p>A linear actuator for positioning the heads of a disk file relative to tracks on the disks employs a ceramic material having wear properties superior to steel in guide surfaces for guiding a head supporting carriage running on rotary bearings in contact with the guide surfaces. The preferred ceramic material is tetragonally stabilized zirconia.</p>
申请公布号
EP0388087(A2)
申请公布日期
1990.09.19
申请号
EP19900302517
申请日期
1990.03.08
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
HATCHETT, MICHAEL ROBERT;HEARN, ANTHONY ROGER;HEATH, JOHN STEWART;LACEY, CHARLES MICHAEL;LAREK, THADDEUS LOUIS;REIDENBACH, JOHN RALPH;SCWIETERS, CLARENCE RAYMOND