Eliminating ESD exposure for read/write head with heating...

Details Eliminating ESD exposure for read/write head with heating... Eliminating ESD exposure for read/write head with heating...

2007-04-03

2007-04-03

Heinz, A. J. (Department: 2627)

Dynamic magnetic information storage or retrieval

Head mounting

For adjusting head position

Reexamination Certificate

active

10909058

ABSTRACT:
Embodiments of the present invention provide a grounded conductive layer between the heater and the lower magnetoresistive (MR) shield in the read/write head structure. The grounded conductive layer eliminates or at least substantially prevents the accumulation of charges on the lower MR shield as a result of the voltage supplied to the heater. In one embodiment, a magnetic head comprises a plurality of read/write components; a heater disposed near the plurality of read/write components; and a grounded conductive layer disposed between the heater and the plurality of read/write components.

REFERENCES:
patent: 6920020 (2005-07-01), Yamanaka et al.
patent: 6963464 (2005-11-01), Xu et al.
patent: 6992865 (2006-01-01), Thurn et al.
patent: 7006336 (2006-02-01), Coffey et al.
patent: 7133254 (2006-11-01), Hamann et al.
patent: 2004/0240109 (2004-12-01), Hamann et al.

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