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:
Aug. 19, 2008
Filed:
Dec. 26, 2006
Richard M. Lienau, Pecos, NM (US);
Richard M. Lienau, Pecos, NM (US);
Optimer Pharmaceuticals, Inc., San Diego, CA (US);
Abstract
A ferromagnetic memory cell is disclosed. The cell includes a bit (), made of a ferromagnetic material, having a remnant polarity. The cell also includes a read drive line () coupled to a first portion of the bit (), to feed a current into the bit (). A sense conductor () is coupled to a second portion of the bit (), to receive the current from the bit (). The current conducted through the bit () is responsive to the polarity of the bit (). A method is also disclosed for determining the magnetic polarity of a ferromagnetic bit (). In this method, a bit () is provided that is made of ferromagnetic material and has a remnant polarity. An input current () is fed into the bit () through a read drive line () coupled to a first portion of the bit (). An output current () is received from the bit () through a sense conductor () coupled to a second portion of the bit (). The current conducted through the bit () is responsive to the polarity of the bit (). A variance between the input current () and output current () is then sensed, from which the magnetic polarity of the bit () is determined.