Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Russell Paul Cowburn0
Date of Patent
March 10, 2009
Patent Application Number
10508904
Date Filed
March 25, 2003
Patent Primary Examiner
Patent abstract
A data storage device for storing digital information in a readable form is described made up of one or more memory elements, each memory element comprising a planar magnetic conduit capable of sustaining and propagating a magnetic domain wall formed into a continuous propagation track. Each continuous track is provided with at least one and preferably a large number of inversion nodes whereat the magnetization direction of a domain wall propagating along the conduit under action of a suitable applied field, such as a rotating magnetic field, is changed.
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