Magnetic recording device with spindle motor lubricant of specif

Details Magnetic recording device with spindle motor lubricant of specif Magnetic recording device with spindle motor lubricant of specif

1997-03-26

1999-08-17

Renner, Craig A.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

310 67R, 310 90, G11B 1900, H02K 516

Patent

active

059402474

ABSTRACT:
A magnetic recording data storage device includes a magnetic recording disk, a spindle motor, a head supported on an air bearing carrier and an actuator connected to the head carrier for moving the head across the rotating disk. The spindle motor has lubricant covered ball bearings where the lubricant includes an alkali hydroxystearate, an ester oil, a dialkyldiphenylamine and a dialkyldithiocarbamate.

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C. P. Roger Ku, "Investigation of Hydrodynamic Bearing Friction in Data Storage Information System Spindle Motors", ISPS-vol. 1, Advances in Information Storage and Processing Systems, ASME 1995, pp. 159-165.

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