Dynamic magnetic information storage or retrieval – Head – Magnetoresistive reproducing head
Reexamination Certificate
2005-11-01
2005-11-01
Watko, Julie Anne (Department: 2653)
Dynamic magnetic information storage or retrieval
Head
Magnetoresistive reproducing head
Reexamination Certificate
active
06961222
ABSTRACT:
A flux guide type includes a magnetoresistive device for reading a signal flux, and a flux guide for transmitting the signal flux to the magnetoresistive device. The flux guide includes a laminated film that includes a ferromagnetic layer, a non-magnetic layer and a ferromagnetic layer in this order, and the two ferromagnetic layers in the flux guide have antiparallel directions of magnetization with respect to the non-magnetic layer.
REFERENCES:
patent: 5898547 (1999-04-01), Fontana et al.
patent: 6201673 (2001-03-01), Rottmayer et al.
patent: 6519121 (2003-02-01), Gill
patent: 6597546 (2003-07-01), Gill
patent: 6636391 (2003-10-01), Watanabe et al.
patent: 2002/0135949 (2002-09-01), Gill
Fujitsu Limited
Greer Burns & Crain Ltd.
Watko Julie Anne
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