Magneto-resistive composite head and a magnetic disk device, hav

Details Magneto-resistive composite head and a magnetic disk device, hav Magneto-resistive composite head and a magnetic disk device, hav

1998-12-14

2000-12-12

Evans, Jefferson

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

360317, 360319, G11B 540, G11B 539

Patent

active

06160688&

ABSTRACT:
To provide an MR composite head wherein damage of an MR element due to discharge of the static electricity is surely prevented with a simple configuration without degrading reproduction performance of the MR composite head, a first and a second magnetic shield layer (14 and 17), whereby the MR layer (20) is sandwiched, are designed to be grounded through a suspension (25). In an embodiment, a conductive member (24) is formed at an upper surface (11b) of the MR composite head (11) opposite to a facing surface (11a) facing to a magnetic disk (31), for electrically connecting the first and the second magnetic shield layer (14 and 17) to a slider (12) which is electrically connected to the suspension (25).

REFERENCES:
patent: 5757590 (1998-05-01), Phipps et al.
patent: 5761009 (1998-06-01), Hughbanks et al.
patent: 5771141 (1998-06-01), Ohtsuka et al.
patent: 5991121 (1999-11-01), Kanda
patent: 5995328 (1999-11-01), Balakrishnan

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