Easy axis magnetic amplifier

Details Easy axis magnetic amplifier Easy axis magnetic amplifier

2006-01-17

2006-01-17

Phung, Anh (Department: 2824)

Static information storage and retrieval

Systems using particular element

Magnetic thin film

C365S158000, C365S173000

Reexamination Certificate

active

06987691

ABSTRACT:
Techniques for improved semiconductor device performance are provided. In one aspect, a semiconductor device is provided. The device comprises at least one free magnetic layer, and a magnetic amplifier interacting with the free magnetic layer comprising two or more magnetic layers with at least one nonmagnetic layer therebetween. The nonmagnetic layer may be configured to provide parallel exchange coupling J of the magnetic layers in a range of0<J<4⁢π⁢⁢t2⁢MS2⁢nyb,the magnetic layers having a long axis and a short axis, wherein t is a thickness of each magnetic layer, Msis magnetization, nyis a demagnetizing factor defined along the short axis of the magnetic layers and b is a diameter along a short axis of the magnetic layers. A method for switching a semiconductor device having at least one free magnetic layer is also provided.

REFERENCES:
patent: 5841692 (1998-11-01), Gallagher et al.
patent: 6381171 (2002-04-01), Inomata et al.
patent: 6531723 (2003-03-01), Engel et al.
patent: 6831857 (2004-12-01), Amano et al.

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