The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2015
Filed:
Dec. 18, 2012
Applicant:
U.s. Army Research Laboratory, Adelphi, MD (US);
Inventor:
Alan S. Edelstein, Alexandria, VA (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/33 (2006.01); G11B 5/09 (2006.01); G11C 11/16 (2006.01); G11B 11/14 (2006.01);
U.S. Cl.
CPC ...
G11B 5/09 (2013.01); G11B 5/33 (2013.01); G11C 11/16 (2013.01); G11B 5/332 (2013.01); G11B 11/14 (2013.01);
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.