Hard magnetic disc unit having head gimbal assemblies

Details Hard magnetic disc unit having head gimbal assemblies Hard magnetic disc unit having head gimbal assemblies

1998-05-01

1999-11-30

Letscher, George J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 548

Patent

active

059953292

ABSTRACT:
A hard magnetic disc unit having a plurality of head gimbal assemblies. Each head gimbal assembly has a magnetic head slider, a metal suspension for supporting the magnetic head slider, and insulating material layer formed on the metal suspension, and a conductive pattern of lead lines electrically connected with the magnetic head. The conductive pattern is formed on the insulating material layer. There are arm portions for supporting the respective head gimbal assemblies and an actuator for moving the arm portions to position the magnetic head sliders. There are also a plurality of resistors having a high resistance value for discharging electrostatic charge. The head gimbal assemblies are electrically insulated from a ground, and the resistors are connected between the head gimbal assemblies and the ground, respectively.

REFERENCES:
patent: 5781379 (1998-07-01), Erpelding et al.
patent: 5796552 (1998-08-01), Akin, Jr. et al.
patent: 5805382 (1998-09-01), Lee et al.

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