Low profile head disk assembly in which the actuator member and

Details Low profile head disk assembly in which the actuator member and Low profile head disk assembly in which the actuator member and

1995-03-03

1998-02-10

Evans, Jefferson

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360104, G11B 555, G11B 548

Patent

active

057175497

ABSTRACT:
An improved low profile magnetic head disk assembly is used with dynamic magnetic information storage devices or rigid disk drives. The HDA includes a head mounted to a suspension, wherein the suspension base plate is an integral part of the actuator plate. Each actuator plate is in close registration with a bearing. The actuator assembly positions the head in close proximity with the rigid disk surfaces, with the actuator plates positioned exterior to the disks and not passing over the surface of the disks. The actuator plates may be a single piece for each disk, two pieces (one for each suspension), or three pieces (two actuator plates and one spacer). The center line of the actuator plate(s), with or without the spacer, is at the center line of the disk, thus reducing the total HDA height.

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