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US 2014/0043709 A1Published application
Method and Apparatus for Reading a Non-Volatile Memory Using a Spin Torque Oscillator
AssigneeU.S. Army Research Laboratory
InventorAlan S. Edelstein
Life of this patent
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Abstract
A method and apparatus for reading electronic memory comprising a current source, a spin transfer oscillator, an external field source, coupled to the current source, for generating an RF signal, the spin torque oscillator positioned proximate a magnetic media comprising a plurality of bit regions of varying magnetic permeability, wherein a frequency of the RF signal varies in response to the permeability of a bit region in the plurality of bit regions being proximate the spin torque oscillator.
Claims19
An apparatus for reading electronic memory comprising:
- a current source;
- an external magnetic field source;
- a spin transfer oscillator, coupled to the current source, for generating an RF signal;
- the spin torque oscillator positioned proximate a magnetic media comprising a plurality of bit regions of varying magnetic permeability, wherein a frequency of the RF signal varies in response to the permeability of a bit region in the plurality of bit regions being proximate the spin torque oscillator.
1 more element
A method for reading electronic memory comprising:
- positioning magnetic media comprising a plurality of bit regions of varying magnetic permeability proximate a spin torque oscillator;
- applying a current to the spin torque oscillator to generate a RF signal, wherein a frequency of the RF signal varies in response to the permeability of a bit region of the plurality of bit regions proximate the spin torque oscillator.
Dependencies are inferred from the claim text.