Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 11, 2010
Patent Application Number
12146927
Date Filed
June 26, 2008
Patent Primary Examiner
Patent abstract
A method of operating a flash memory device wherein the width of threshold voltage distribution of memory cells is adjusted by setting different conditions of a program operation in accordance with levels of threshold voltages of the memory cells. As a result, width of the threshold voltage distribution of memory cells may be narrowed.
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