MAGNETIC MEMORY DEVICE
First Claim
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1. A magnetic memory device comprising:
- a semiconductor substrate;
a magnetoresistive element provided on the semiconductor substrate and comprising a storage layer, a tunnel barrier layer, and a reference layer which are stacked, the reference layer having a magnetization direction perpendicular to a principal surface of the semiconductor substrate; and
a magnetic field generation section provided away from the magnetoresistive element and configured to generate a magnetic field perpendicular to the principal surface of the semiconductor substrate to reduce a magnetic field from the reference layer which is applied to the storage layer.
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Abstract
According to one embodiment, a magnetic memory device includes a semiconductor substrate, a magnetoresistive element provided on the semiconductor substrate and includes a storage layer, a tunnel barrier layer, and a reference layer which are stacked, the reference layer having a magnetization direction perpendicular to a principal surface of the semiconductor substrate, and a magnetic field generation section provided away from the magnetoresistive element and configured to generate a magnetic field perpendicular to the principal surface of the semiconductor substrate to reduce a magnetic field from the reference layer which is applied to the storage layer.
9 Citations
18 Claims
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1. A magnetic memory device comprising:
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a semiconductor substrate; a magnetoresistive element provided on the semiconductor substrate and comprising a storage layer, a tunnel barrier layer, and a reference layer which are stacked, the reference layer having a magnetization direction perpendicular to a principal surface of the semiconductor substrate; and a magnetic field generation section provided away from the magnetoresistive element and configured to generate a magnetic field perpendicular to the principal surface of the semiconductor substrate to reduce a magnetic field from the reference layer which is applied to the storage layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A magnetic memory device comprising:
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a semiconductor substrate; a magnetoresistive element provided on the semiconductor substrate and comprising a storage layer, a tunnel barrier layer, and a reference layer which are stacked, the reference layer having a magnetization direction perpendicular to a principal surface of the semiconductor substrate; and a magnetic field generation section provided away from the magnetoresistive element and formed of a magnetic material containing, as a main component, at least one selected from a Co—
Cr alloy, an Sm—
Co alloy, a Co—
Pt alloy, an Fe—
Pt alloy, an Nd—
Fe alloy, an Mn—
Al alloy, an Al—
Ni—
Co alloy, a Ba ferrite oxide, and a Co ferrite oxide. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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Specification