Integrated servo and read EMR sensor

Details Integrated servo and read EMR sensor Integrated servo and read EMR sensor

2009-06-18

2010-12-07

Renner, Craig A. (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

C324S246000, C324S252000

Reexamination Certificate

active

07848060

ABSTRACT:
A magnetic storage system according to one embodiment includes magnetic media containing magnetic domain tracks; and at least one head for reading from the magnetic media, each head having: a first Extraordinary Magentoresistive (EMR) device for detecting magnetic fields of a first magnetic domain track; a second EMR device for detecting magnetic fields of a second magnetic domain track. The system further includes a slider for supporting the head; and a control unit coupled to the head for controlling operation of the head. A system according to another embodiment includes a first Extraordinary Magnetoresistive (EMR) device for detecting magnetic fields of a magnetic domain of interest. A system according to yet another embodiment includes an Extraordinary Magnetoresistive (EMR) device for deriving servoing information.

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patent: 2006/0018054 (2006-01-01), Chattopadhyay et al.
patent: 2009/0128963 (2009-05-01), Boone et al.

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