GMR element having fixed magnetic layer provided on side...

Details GMR element having fixed magnetic layer provided on side... GMR element having fixed magnetic layer provided on side...

2007-05-15

2007-05-15

Young, Wayne (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

C360S324000, C360S324100, C360S324120, C360S314000, C338S03200R

Reexamination Certificate

active

10755641

ABSTRACT:
A free magnetic layer contains free magnetic material layers and an intermediate layer interposed therebetween. A fixed magnetic layer contains fixed magnetic material layers and a non-magnetic intermediate layer interposed therebetween. The free magnetic material layer and the fixed magnetic material layers are formed at equivalent film positions. The magnetizations of the fixed magnetic material layers provided in a vertical direction are antiparallel to each other, and the magnetizations of the free magnetic material layers provided in the vertical direction are antiparallel to each other. By an external magnetic field, the magnetizations of the free magnetic material layer are rotated in phase to magnetization directions of the fixed magnetic material layers.

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