Magnetoresistive read transducer with insulator defined...

Details Magnetoresistive read transducer with insulator defined... Magnetoresistive read transducer with insulator defined...

G - Physics

11

B

352/29.4

G11B 5/39 (2006.01) G11B 5/245 (2006.01)

Patent

CA 1304499

ABSTRACT OF THE DISCLOSURE MAGNETORESISTIVE READ TRANSDUCER WITH INSULATOR DEFINED TRACKWIDTH A magnetoresistive (MR) read head is disclosed in which an insulator layer defines the effective track width over which the read head is sensitive. The insulator layer is deposited or patterned to extend a predetermined distance over the MR element, and the predetermined distance is chosen equal to the desired track width. Conductor leads are deposited in contact with the regions of the MR element not covered by the insulator layer with the conductor leads extending up to, and possibly overlapping, the edges of the insulator layer. The signal sensing means is connected to the conductor leads, and the read signal is sensed over the length of the MR element covered by the insulator layer.

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