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.
申请公布号
US5029029(A)
申请公布日期
1991.07.02
申请号
US19900617479
申请日期
1990.11.16
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
HATCHETT, MICHAEL R.;HEARN, ANTHONY R.;HEATH, JOHN S.;LACEY, CHARLES M.;LAREK, THADDEUS L.;REIDENBACH, JOHN R.;SCHWIETERS, CLARENCE R.