Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 17, 2010
Patent Application Number
12136968
Date Filed
June 11, 2008
Patent Primary Examiner
Patent abstract
An erasing method of post-programming in a nonvolatile memory device. The method includes post-programming dummy memory cells; verifying whether threshold voltages of the dummy memory cells are greater than or equal to a first voltage; post-programming normal memory cells; and verifying whether threshold voltages of the normal memory cells are greater than or equal to a second voltage. The first voltage is different from the second voltage.
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