Magnetic tunnel effect type magnetic head having a magnetic...

Details Magnetic tunnel effect type magnetic head having a magnetic... Magnetic tunnel effect type magnetic head having a magnetic...

2005-06-21

2005-06-21

Heinz, A. J. (Department: 2653)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

06909584

ABSTRACT:
In a magnetic tunnel effect type magnetic head (20) having a magnetic tunnel junction element (26) sandwiched with conductive gap layers (25) and (27) between a pair of magnetic shielding layers (24) and (28), the conductive gap layers (25) and (27) are formed from at least one nonmagnetic metal layer containing a metal element selected from Ta, Ti, Cr, W, Mo, V, Nb and Zr. Therefore, the magnetic head (20) can have an improved face opposite to a magnetic recording medium.

REFERENCES:
patent: 6381107 (2002-04-01), Redon
patent: 6624987 (2003-09-01), Hayashi et al.

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