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:
Sep. 29, 2009
Filed:
Oct. 30, 2007
Mark B. Johnson, Potomac, MD (US);
Mark B. Johnson, Potomac, MD (US);
Seagate Technology Int'l, Scotts Valley, CA (US);
Abstract
An electron spin-based memory cell has a first ferromagnetic layer with a changeable magnetization state and a second ferromagnetic layer with a fixed magnetization state. A non-volatile logic state of such cell is dependent on a relationship between said first ferromagnetic layer and said second ferromagnetic layer, including whether said changeable magnetization state and said fixed magnetization state are parallel or antiparallel. To facilitate writing, the cell is adapted carry at least a portion of a write pulse.
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