Air stripper for improved spindle sync

Details Air stripper for improved spindle sync Air stripper for improved spindle sync

1990-08-10

1992-07-28

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 97020, 360103, 360128, G11B 510, G11B 540, G11B 560

Patent

active

051345307

ABSTRACT:
An air stripper for stripping air in a head disk assembly within a magnetic disk drive. The head disk assembly includes a spindle, a magnetic disk, a head arm and the air stripper. The magnetic disk is secured to the spindle for rotation about a central axis and includes a generally planar surface between an inner disk diameter and an outer disk diameter. Rotation of the disk causes a volume of air adjacent the disk surface to flow in the direction of disk rotation. The head arm is positioned proximate the disk surface for actuation across the disk surface through the volume of air. The air stripper is positioned proximate the disk surface and upstream from the head arm with respect to the direction of air flow. The air stripper extends into the volume of air for generally uniformly stripping air such that rotational velocity of the disk is substantially unaffected by actuation of the head arm across the volume of air.

REFERENCES:
patent: 4703379 (1987-10-01), Bogdanski

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