Head device having an improved air bearing surface to attenuate

Details Head device having an improved air bearing surface to attenuate Head device having an improved air bearing surface to attenuate

1998-11-10

2000-08-15

Evans, Jefferson

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 2121

Patent

active

061045713

ABSTRACT:
A head device includes a slider which is supported by a supporting plate. A head portion is provided on the slider and reads information from or writes information to a storage medium. The slider has an air bearing surface confronting the storage medium. The head portion is formed on the air bearing surface of the slider. The head device is levitated from the storage medium by an air flow between the storage medium and the head device when accessing the storage medium. The head device includes an air flow disturbing unit which attenuates a turbulent air flow produced on an air-outlet side of the slider when the storage medium is rotated at a speed above a predetermined speed. The air flow disturbing unit maintains a distance between the storage medium and the head device at a constant level.

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