Magnetic memory element with vortex magnetization to control...

Details Magnetic memory element with vortex magnetization to control... Magnetic memory element with vortex magnetization to control...

2005-09-27

2005-09-27

Nguyen, VanThu (Department: 2824)

Static information storage and retrieval

Systems using particular element

Magnetoresistive

C365S171000, C365S173000

Reexamination Certificate

active

06950332

ABSTRACT:
A magnetic memory is composed of a ring-shaped magnetic layer that includes a notch having a circular arc shape. The notch is formed by partially cutting out the periphery of the ring-shaped magnetic layer. A ratio h/H1for the magnetic layer is set to be equal to or greater than 0.01 where “h” is the height of the notch and “H1” is the outer diameter of the magnetic layer.

REFERENCES:
patent: 5923583 (1999-07-01), Womack
patent: 6166948 (2000-12-01), Parkin et al.
patent: 6577526 (2003-06-01), Schwarzl
patent: 6798691 (2004-09-01), Ounadjela et al.

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