Dual stripe read head with magnetic support structures which...

Details Dual stripe read head with magnetic support structures which... Dual stripe read head with magnetic support structures which...

2005-01-11

2005-01-11

Renner, Craig A. (Department: 2652)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

C360S316000, C360S327220

Reexamination Certificate

active

06842312

ABSTRACT:
A method for stabilizing magnetic domains in dual stripe magnetic read heads is provided. This method first comprises providing a plurality of coupled magneto-resistive read elements in a spaced relationship. These read elements include top and bottom patterned magnetic shields on ceramic substrates, with two magneto-resistive (MR) sensor elements between the shields, all separated by insulating layers. Magnetic support structures are provided adjacent and separated from the coupled read elements, wherein the magnetic support structures provide a uniform magnetic field that stabilizes the magnetic domains of the MR sensors in the coupled read elements.

REFERENCES:
patent: 5428491 (1995-06-01), Smith
patent: 5956215 (1999-09-01), Schmalhorst et al.
patent: 6002554 (1999-12-01), Schmalhorst et al.
patent: 6038108 (2000-03-01), Dee et al.

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