Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 7, 2009
Patent Application Number
11856964
Date Filed
September 18, 2007
Patent Primary Examiner
Patent abstract
A method for using photolithographic dummy memory cells arranged in rings around a set of primary memory cells as test structures and as redundant memory cells. Also circuits and structures of memory arrays having multiple-use dummy memory cells.
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