US Patent 7923812 Quad memory cell and method of making same

Patent 7923812 was granted and assigned to SanDisk on April, 2011 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

SanDisk

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

79238120

Patent Inventor Names

Roy E. Scheuerlein0

Date of Patent

April 12, 2011

Patent Application Number

123180010

Date Filed

December 19, 2008

Patent Primary Examiner

‌

Victor Mandala

Patent abstract

A non-volatile memory device includes a first electrode, a diode steering element, at least three resistivity switching storage elements, and a second electrode. The diode steering element electrically contacts the first electrode and the at least three resistivity switching storage elements. The second electrode electrically contacts only one of the at least three resistivity switching storage elements.